Circulation is vital because it:
A.
Inflates the lungs.
B.
Supplies oxygen and nutrients to and removes wastes from tissues.
C.
Delivers wastes to tissues.
D.
Delivers carbon dioxide to tissues and removes excess oxygen.
B. Supplies oxygen and nutrients to and removes wastes from tissues.
Explanation:
Circulation is essential because it ensures that oxygen and nutrients are delivered to tissues throughout the body, which is crucial for cellular function and metabolism. Additionally, it removes metabolic wastes and carbon dioxide from the tissues, helping to maintain homeostasis and overall health.
Here’s why the other options are not correct:
- A. Inflates the lungs: While circulation is related to overall respiratory function, the direct inflation of the lungs is primarily managed by respiratory mechanics, not circulation.
- C. Delivers wastes to tissues: This is incorrect because circulation’s role is to remove wastes from tissues, not deliver them.
- D. Delivers carbon dioxide to tissues and removes excess oxygen: This is incorrect because circulation delivers carbon dioxide to the lungs for exhalation and supplies oxygen to tissues, rather than removing excess oxygen from them.