Help pls

Biology

1 answer:

QveST [7]2 years ago

3 0

Answer:

I think it's A. The contraction of the triceps muscle causes the arm to flex.

Explanation:

The contraction of the triceps muscle causes the arm to flex. The contraction of the triceps muscle causes the arm to extend. When added to the force of the biceps contracting it provides the extra force to the ball.

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Explanation:

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