Question

define excretory, circulatory, respiratory, digestive systems of a human body with diagrams for brief ​

Answer 1

Answer:

Blood vessels are part of the circulatory system, the “highway” system of the human body that transports materials to all of its cells. Red blood cells carry some of these materials, so they are a little like trucks on a highway. In this chapter, you will learn more about blood vessels, red blood cells, and other structures of the circulatory system.

Explanation:

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Answer 2

4 digestive system

1 excretory system of the system in which the blood is filtered and the remaining waste product is move out from the body

2 circulatory system means flow of blood in the body with the help of heart

3 respiratory system means the exchange of gas into our body with the help of lungs in human and animal

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