Chemistry, asked by ansarikashaf02, 6 months ago

dog circulatory system

Answers

Answered by unicorn276

7

Explanation:

The heart is a part of the circulatory system along with the lungs and blood vessels. Each contraction of the heart muscle pumps blood around your dog's body, supplying the organs with the energy and oxygen they need, while at the same time carrying away the waste products.

Answered by Anonymous

28

Answer:

The heart is a part of the circulatory system along with the lungs and blood vessels. Each contraction of the heart muscle pumps blood around your dog's body, supplying the organs with the energy and oxygen they need, while at the same time carrying away the waste products.

Explanation:

Hope this may help you.....

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