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In a closed circulatory system, blood is completely enclosed within (a) vessels (b) heart (c) skeleton (d) sinuses

In a closed circulatory system, blood is completely enclosed within
(a) vessels
(b) heart
(c) skeleton
(d) sinuses

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60796 Points
one year ago
Answer: b

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