Answer:
To regulate body activities (like growth and immunity) by sending chemical messages
Explanation:
Endocrine system: The term "endocrine system" is described as a specific system that is being made up of different glands that tend to secrete and produce distinct hormones, chemical substances that are being produced inside an individual's body is responsible for regulating the activities of different organs and cells. However, the given hormones are responsible for regulating the body's metabolism, growth, and sexual function and development.
Answer:
!! neither mechanical nor chemical digestion
<span>If the density of ice were greater than water, ice would sink to the bottom of oceans/seas/lakes etc. This ice would cool the water so much that more water would freeze, and the entire body of water would soon be a giant block of ice! You can imagine how this would affect aquatic life</span>