Question

The heart is composed of how many loops?

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Responses

1
1

2
2

3
3

4
4

Answer 1

The heart is composed of 2 loops in its circulatory system. These loops are:

1. The pulmonary loop (where blood is sent to the lungs to receive oxygen).
2. The systemic loop (where oxygenated blood is sent to the rest of the body).

So the correct response is:

**2**