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Crazy boy [7]
3 years ago
8

Which hormone affects the heart beat? Glucagon Insulin Adrenalin Oxytocin

Biology
1 answer:
ivolga24 [154]3 years ago
5 0

Answer:

Adrenalin

Explanation:

Causes the heart rate to quicken think of it like when you get excited how your heart pounds

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Based on factors affecting population, the rapid increase in the rabbit population could be dues to high fertility rate, abundance of food and lack of predators.

<h3>What is population increase?</h3>

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Learn more about population increase at: brainly.com/question/2408010

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