4. The capillaries are the smallest blood vessel but play an important role 10he body. Why? Because
A. They get oxygen in the lungs.
B. They prevent the backflow of blood in the heart.
C. They are responsible for carrying oxygenated blood to the heart.
D. They are responsible for providing the calls with oxygen and nutrients and collects waste materials from them.
A. They get oxygen in the lungs.
B. They prevent the backflow of blood in the heart.
C. They are responsible for carrying oxygenated blood to the heart.
D. They are responsible for providing the calls with oxygen and nutrients and collects waste materials from them.
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Answer:
C
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thanks sa points