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alina1380 [7]
3 years ago
15

Which system sends messages to organs and tissues? asnwers.com?

Biology
1 answer:
muminat3 years ago
6 0
Neurological - by nerves
Endocrinological - by blood and secrets
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which is not considered to be an animal behavior? please choose the correct answer from the following choices, and then select t
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<u>Respiration</u> is not considered to be an animal behavior.

<h3>What is Respiration?</h3>
  • The respiratory system, also known as the respiration or ventilatory system, is a biological system in both plants and animals that consists of a variety of organs and structures that are employed for gas exchange.
  • Depending on the organism's size, environment, and evolutionary background, the anatomy and physiology that cause respiration vary widely.
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  • The air is in close touch with the blood in these tiny air sacs because they have an abundant blood supply.

To learn more about respiration from the given link

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