In which part of the circulatory system is the surface area largest? a) ventricl

Question

In which part of the circulatory system is the surface area largest? a) ventricles b) arteries c) atria d) veins e) capillaries Which of the following is a function of the epithelium? a) Protection b) Secretion c) absorption d) All of the above e) None of the above Urea is synthesized in the: a) Loop of Henle b) Collecting Duct c) Glomerulus d) Liver e) Urinary Bladder Which is NOT a characteristic of mitochondria? a) Mitochondria have two membranes. b) Mitochondria are the site of cellular respiration, c) Mitochondria carry out glycolysis. d) Mitochondria contain DNA and ribosomes, e) The inner space of the mitochondrion contains a fluid matrix

Explanation / Answer

62) The circulatory system is made up of heart and blood vessels. Blood from lungs is carried by pulmonary vein to the atria of heart. From there it goes to the ventricles of the heart. Blood is then passed through blood vessels namely arteries, capillaries and veins. Capillaries consists of single layer of endothelial cells and they are extensively distributed throughout the body. The largest surface area in the circulatory system is present in capillaries. Numerous exchanges between tissues and blood takes place through capillaries. So, the answer for this question is option (e) capillaries.

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