Pulmonary circulation is required for
Correct answer: C. Oxygenation of deoxygenated blood
- A. Nutrient supply to lungs
- B. Elimination of waste products from the lungs
- C. Oxygenation of deoxygenated blood
- D. Nutrient supply to heart
Explanation
Pulmonary circulation is required for the exchange of gases between the blood and the air in the lungs. It is the part of the circulatory system that carries deoxygenated blood from the heart to the lungs, where it picks up oxygen and releases carbon dioxide. The oxygenated blood is then returned to the heart, where it is pumped to the rest of the body.
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About Digestion
The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.
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