A. There is more oxygen B. There is less oxygen C. The air is free from pollution D. More heat is needed to warm the body
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A. Thicker wall with no valves B. More blood cells with valves C. Impure blood only D. Carrying blood to various parts
A. S.A node B. A.V node C. A.V septum D. I.A septum
A. Urea B. Bile C. Glucose D. Erythrocytes
A. Fibrinogen B. Calcium C. Thromboplastin D. Haemoglobin
A. Rabbit B. Monkey C. Camel D. Man
A. Thin walled and blood flows under diminished pressure B. Thick walled and blood flows under high pressure C. Thin walled and blood flows under high pressure D. Thick walled and blood flows under diminished pressure
A. Globin B. Haematin C. Bilirubin D. Haemotoxin
A. Supplies impure blood to kidneys B. Supplies oxygenated blood to brain C. Brings impure blood from the brain D. Supplies oxygenated blood to heart
A. Pulmonary arteries B. Cardiac vein C. Pulmonary vein D. None