Oxidative phosphorylation is the final step incellular respiration, it occurs in the mitochondria. It is the principal purpose of oxygen respiration and the principal use of breathed in oxygen is to generate energy in the body.

Platetets are pieces of very large cells in the bone morrow called me gakargoctles. they help form blood clots to slow or stop bleeding and to help wounds heal or having platetets that don't work as they should can couse problems.

Urea is formed in are body during nitrogen metabolism the hepatic cells in the liver. Urea is an excretory product and it enters into the blood, after it's formation in the liver, when blood reaches the kidney, which filters it out from the blood and hence excretes urea out through the urine.

The ureters are tubular structures approximately 20–23 cm in adults that pass from the pelvis of each kidney into the bladder. Form the renal pelvis they descend on top of the psoas major muscle to reach the brim of the pelvis.

Inregular and fast rate of heartbeat (ranging 160-180) is termed as ectopic activity and it happens when our heart contracts (beats) too soon.

A Blood group is a classification of blood-based on the presence and absence of antibodies and inherited antigenic substances on the surface of red blood cells. This antigen may be proteins, carbohydrates, glycoproteins or glycolipids, depending on the blood group system. Blood group O has no antigens but both anti-A and anti-B antibodies in the plasma. Blood group AB has both A and B antigens, but no antibodies.

The ovarian surface epithelium, also called the germinal epithelium of waldeyer, or coelomic epithelium is a layer of simple squamous to cuboidal epithelial cell covering the ovary.

Calcitonin is secreted by thyroid. Calcitonin is a 32 amino acid hormone secreted by the C- cells of thyroid gland.
Pituitary gland :- Its function including growth, metabolism, reproduction, lactation, water and sodium (salt) balance, labour and child birth.
Pancrease :- Pancrease creates natural juices called pancreatic enzyme to beak down food. These Juice travel through our pancrease.
Adrenal gland :- Adrenal gland produce hormone that help regulate our metabolism, immune system, blood pressure response stress and other essential function.

Oagenesis is an example of meiosis. Meiosisproduces sex cells or gametes, Oagenesis is a process which creates female gametes called ovum. Meiosis is a type of cell division in sexually reproducing organisms that reduces the number of cloromosomes in gametes.

Histomine - a chemical found in some of the body's calls caused many of the symtoms of allergic such as runny nose are sneezing when a person is allergic to a particular substance such as a food or dust, the Immune system mistakenly belieuss that us usually harmless substance is act orally harmful to the body

Glucose is the most common respiratory substrate. One molecules of glucose produces 38 molecules of ATP. So its an instant energy source. It is also abundant and easily stored in the body in the form of glycogen. It is also stored in plants in the form of starch and glycoconjugates.

There are 24 isolated operable irregular bone in the vertebral column. Vertebrae are the 33 individual bones that inter lock with each other to form the spinal column. The vertebrae are numbered and divided into regions-cervical. Thoracic, lumber, sacrum and coccyx.
Only the top bones are moveable, the vertebrae of sacrum and coccyx are fused. The vertebrae in each region have unique features that help them perform their main functions.

A digestive enzyme functional only in infants in gastric lipase. Intragastric lipolysis is probably of major importance in the newborn and especially in the premature infants. Gastric lipase is essential for infant fat digestion.

Myoglobin is a protein located primarily in the striated muscles of vertebrates MB is the geneoncoding myoglobin is humans. It encodes a single polypeptide chain with one oxygen binding site Myoglobin contains heme prosthetic group that can reversibly bind to oxygen

Light rays entering the eye is controlled by pupil, lets into our eyes as the muscles of our iris change its shape. The lens in our eye focuses light then goes to the back of our eye and hits our retina.

Facial nerve is the 7th cranial nerve and carries nerve fibers that control facial movement and expression. The facial nerve also carries nerves that are involved in taste to the anterior 2/3 of the tongue and producing tears.

The carpometacarpal joint is a synovial saddle-shaped joint that serves as the articulation between the trapezium and the base of the first metacarpal the joint's primary function is to optimize the pinch function of the hand.

Jauindice is a condition in which the whites of the eyes and mucous membranes turm yellow because of a high level of bilirubin a yellow - orange bile pigment jaundice has many couses including hepatitis , gall stones and tomars . In adults jaundice usually do ent need to bet treated.
Jaundis two types -
(1) Physiological jaundice
(2) Pathaphysi ological jaundice

The middle vesicle is the "mesencephalon" which is the precursor of midbrain structures, the most anterior of these embryonic brain vesicles is called the "Prosencephalon" which is the embryonic precursor of
the forebrain, and the most posterior is the "rhombencephalon" which will become the hindbrain.

The calcium ions binds to the phosphates and are present in the dietary food. Sometimes, calcium phosphate are consumed as an antacid. The calcium phosphate is a salt which is insoluble in water. The calcium ions are absorbed by the cells of the intestine as per requirement. The excess of calcium and phosphate ions are excreted by the large intestine in the form of paeces.

Bilateral rales is a sign or symptom of left sided heart failure.
• Hepatomegaly is prominent in patients with chronic right-sided heart failure, but it may occur rapidly in acute heart failure.
• Peripheral edema (PE) is an accumulation of fluid in the interstitial space that occurs as the capillary filtration exceeds the limits of lymphatic drainage.

Ganglion refers to collection of cell bodies of neurons in peripheral Nervous system. A ganglion is a cluster of nerve cells found in the P.N.S. The cells that are specific to a ganglion are called ganglion cells. However the term is some time used to describe retinal ganglion cells. The main component of the ganglion a cell body called the somata and associate dendritic structure.

An Adult has 8 number teeth's of incisor in total. Human teeth function to mechanically break down items of food by cutting & crushing the food material.
• Human have four types of Teeth -
• Incisors
• Canines
• Premolars
• Molars
• Human dental formula =2123/2123

The human body consists of both long and short bones. The longest bone is the thigh bone but the smallest and the lightest bone in the human body is the stapes or stirrup found in our middle ear.
• There are three bones in the middle ear-malleus, stapes, and incus.

Glomerular filtrate is equal to blood (Blood cells + Plasma Proteins).

Nuclear envelope reappears at telophase. Telophase- During this phase, chromosomes disappears (become chromatin), nuclear membrane reforms, nucleoli reappears,. Telophase is the fifth and finalphase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells.

Progestational phase of menstrual cycle is antagonised by Oestrogen. The menstrual cycle is governed by an interaction between reproductive hormone (L.H,F.S.H, oestradiol and progesterone) that result in growth of a follicle, ovulation [release of egg from the ovary into the fallopian tubes].

Agranulocytes are white blood cells that have no distinct granules in their cytoplasm. Agranulocytes orginates from the lymph nodes.
• Agranulocytes are known as mononuclear leukocytes.
• Granulocytes (neutrophils, eosinophils and basophils).
• Agranulocytes (lymphocytes and monocytes).

Persons having blood group 'A' makes AntiB.

• The Anti-A, Anti-B, and Anti-A,B, reagents are used in the red blood cell determination of the ABO blood group.

Antiaging hormone is melatonin. Melatonin is a hormone produced in the glandula pinealis that follows a circadian light dependent rhythm of secretion

Residual air mostly occurs in alveoli. The residual volume (RV) is the alveoli of the lungs, after respiratory. The lungs are never left completely empty, there is always some air left in the lungs after a maximum exhalation.

The Atlantic cod is a benthopelagic fish of the family gadidae widely consumed by human It is also commercially known as cod or codling Dry cod may be prepared as unsalted salt stack fish and as cured slot cod or clipfish.

Red cell refers to red blood cells also known as erythrocytes which carries oxygen to the body from the lungs. A healthy person has 5–5.5 million RBCs per 3mm of blood which have lifespan of 120 days.
• Haemocytometer is a device that is used for counting red blood cells, it contains different grids and has specific area and volume to count the number of RBCs in a particular volume of blood.
• Haemoglobinometer is a device used for measuring the hemoglobin concentration of the blood.
• A sphygmomanometer is an instrument used to determine blood pressure.

Recurrent episodes of acute shartness of breath typically accurring at night or the early morning hours, are the cordinal manifestation of bronchial asthma, farther symptoms include cough wheezing and feeling of tightness in the chest.

Secretion of glucagon is not a function of Liver.
Function of Liver →
• Bile production and excretion
• Excretion of bilirubin, cholesterol hormone and drugs.
• Metabolism of fats, protein and carbohydrates.
• Enzyme Activation
• Storage of glycogen, vitamins and minerals
• Synthesis of plasma proteins, such as albumin and clotting factor.

The essential muscle contraction is caused by calcium ions. These calcium ions bind to the protein complex troponin in order to remove the masking of active site on actin. This results in the exposure of the active- binding sites on the actin for myosin.

Chemoreceptor trigger zone is an area of the Medulla oblongata and plays role in stimulating emesis.

Tidal volume is equal to (Inspiratory capacity) – (Inspiratory reserve volume) inspiratory capacity is the total volume of air that can be inhaled after a normal expiration. includes tidal volume and inspiratory reserve volume IC = TV + 1RV.

Corbon dioxide is a naturally occurring chemical compound that plays an integral role in the earth's ecosystem . It is essential for photosynthesis which all plants need to survive carbondioxide also helps regulate the temperature of the atmosphere and the plant as well. They are often referred to as green house gases because they allow sunlight to enter but do not allow it to leave thus heating the lower atmosphere. but corbon dioxide is exhaled by the respirating system.

Term cytoplasm refers to the living substance or protoplast found within a cell, including the Nucleus, Eduard strans burger created the word cytoplasm.
→ The cytoplasm is the gel- like fluid inside the cell. It is the medium for chemical reaction. It provides a plate form upon which other organelles can operate within the cell.

Partial pressure is the amount of pressure each gas in a mixture exerts. Gas will flow from one area with greater partial pressure to another with lower partial pressure. The partial pressure of carbon dioxide (CO2) at alveoli (the diffusion site) is 40 mmHg.
• The partial pressure of oxygen (O2) at alveoli is 104 mmHg.

Leydig cells are the source of androgenic hormone i.e testosterone in males. Leydig cells (LC) are present in the testicular interstitial tissue and their main function is to produce testosterone.

White blood cells, also called leukocytes or leucocytes, are the cells of the immune system that are involved in protecting the body against both infectious diseases and foreign invaders.
• The life span of the WBC is between 10 to 20 days. It is mainly responsible for the protection of the body
from diseases.
• The life span of the RBCs is 20–120 days.
• The life span of the blood platelets is 3–5 days.
Note: According to commission right answer is option (c).

Mereaptopurine Methotrexate pairs of chemotherapeutic agents is most commonly used as maintenance in the treatment of Acute Lymphoblastic Leukemia (ALL).

A condition in which the thyroid gland does not produce enough thyroid hormone. Hypothyroidism deficiency of thyroid hormones can disrupt such things as heart rate body temperatures and all aspect of metabolism. Hypothyroidsm is most prevalent in older in older woman.

The middle protective covering layer of brain is Arachnoid mater. There present three meninges layers that constitute the outer layer, the dura mater, a thin middle layer called the Arachnoid and the inner most layer called the pia mater.
* Dura mater give a protective shield for the brain and the spinal cord helps prevent the C.N.S. from gostling by fastening it to the skull.
* Arachnoid mater is defined as a middle meninges layer that connect the dura mater & pia, mater.
* The pia mater is composed of a rich supply of blood vessels to provide the Nervous tissue with nutrient. Pia mater usually cover the spinal cord and is made up of two layers.

Congestive heart failure is a long term Condition that happens when your heart can't pump blood well enough to give our body a normal supply blood and fluids collect in our lungs and legs over time medications and other treatments.

The sphincter of oddi is the muscular valve surrounding the exit of the gall bladder i,e at the exit of bile duct and pancreatic duct into the duodenum.

The Pancreatic beta cells are Endocrine cells the synthetize, store and release insulin the antihyperglycemic hormone that antagonizes glucagon, Growth hormone. glucocorticosteroids epinephrine and other hyperglycemic hormones, to maintain circulating glucose concentrations within a narrow physiologic range.Pancreatic polypeptide (PP) is an endogenous peptide hormone secreted by the cells, also called PP cells of the islets of langerhans of pancreas. Mostly postprandially.

The medulla oblongata consists of both cells and fibres, which are similarly to those in the spinal cord, the cells or grey matter being on the inside and the fibres of white matter on the outside. It lies at the base of the skull just in front o the foramen magnum and links the pons and spinal cord.

There are 12 cranial nerves in our body, each having a particular function.
• Cranial nerve 3 is the oculomotor nerve which helps the movements of the muscles of the eyes.
• The vagus nerve is verifiably referred to as the pneumogastric nerve. It is the longest cranial nerve. It is the 10th cranial nerve and interfaces with the lungs, heart, and stomach-related lot.

Stage of general anesthesia:- Before they had machines to track our vital signs during general anesthesia, doctor come up with a monitoring system to keep patients safe. They divided the system into four stage -
• Stage 1. Induction
• Stage 2. Excitement or delirium
• Stage 3. surgical Anesthesia
• Stage 4. Over dose.
State : 3. Surgical anesthesia:- At this stage surgery can takes place our eyes stop moving muscle completely relax, and we may stop breathing without the help of machines. The anesthesiogist will keep we at this stage until the procedures is over.

Atherosclerosis is the thickening or hardening of the arteries caused by a buildup of plaque in the inner lining of an artery. Risk factors may include high cholesterol and triglyceride levels, high blood pressure smoking, diabetes, obesity, physical activity, and eating saturated fats.

A blood type is a classification of blood-based on the presence and absence of antibodies and in hirite antigenic substances on the & surface of red blood cells. These antigens may be proteins body glycoprotins or glycolipids depending on the blood group system.

Insulin is a small protein consisting 51 amino acids in it's molecule. It works as a hormone and produced in the pancreas and added to the blood after meals when sugar levels are high it controls the sugar level in blood by allowing cells to absorb glucose. Insulin do not combine with zinc instead in the presence of zinc improves the peripheral insulin senstivity.

The role of cytochrome c is to carry electrons from one complex of integral membrane proteins of the inner mitochondrial membrane to another, cytochrome are electron acceptors.

Longest cells in Human body are Nerve cells are also called Neurons that are found in the Nervous system they can be up to 3 feet long.
- Nerve cells are only present in animals. Nerve cells is an excitable and specialized cell of the Nervous tissue which helps in proper functioning of the brain and coordination of other parts of the body.
- Neurons are divided into 3 Types : Sensory neurons (stimuli response) Motor response (receive signals) and interneurons (connects one neuron to Another Neuron).

Bile is an aqueous liquid solution produced in the liver. It consists mainly bile salts, conjugated bilirubin with some electrolytes and water.

The respiratory system starts at the nose and mouth and continues through the airways and the lungs.

• The excretory system is a vital biological system that removes excess and waste, products from the body to maintain homeostasis.
• Cardiovascular system, which is made up of our heart and blood vessels is a crucial part of our body.

Sebaceous glands are holocrins glands. sebaceous glands produce sebum via holocrine secretion, a largely uncharacterized mode of programmed cell death that contributes to the homeostasis and barrier function of the skin.