Answer :
Final answer:
Identifying vessels, explaining blood flow, valve functions, and types of blood vessels in the circulatory system.
Explanation:
a) Vessel A is the artery.
- Reason 1: Arteries carry blood away from the heart, usually oxygen-rich.
- Reason 2: The pulmonary artery carries deoxygenated blood, hence labeled different colors.
c) Vessel B carries blood at low pressure.
e) 1- Superior Vena Cava, 2- Right Atrium, 3- Tricuspid Valve, 4- Right Ventricle.
f) Capillaries differ from larger vessels in size and structure, enabling nutrient exchange with tissues.
g) Valves are expected in vessel B.
h) Valves prevent backward flow of blood, aiding in unidirectional movement.
i) Pulmonary artery carries oxygen-depleted blood.
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