Biology, asked by vivekdevan2128, 9 months ago

Which hormone increase strength of heart
contraction ?
(a) Adrenaline (b) Thyroxine
(c) Cortisol
(d) all of these

Answers

Answered by Anonymous

0

Explanation:

ALL OF THESE ..........

Answered by Anonymous

3

Answer:

hormones increase the strength of heart contradiction are

option D all of these

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