In a closed circulatory system the blood runs through:
AWide body cavity
BLoose open gaps
CClosed vessels
DOpen body spaces
Answer & Solution
Correct answer: C. Closed vessels
1. The blood is kept within a defined circuit.
2. That circuit is built of tubes of varying width.
3. So the blood is circulated through a series of vessels.
_Source: NCERT Class 11 Biology, Chapter 4, Animal Kingdom._
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