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1 ans.) The Adam's apple is a lump of cartilage that sticks out from the throat. It is more prominent in males, and it serves no specific function. A person can remove or change the size of their Adam's apple with surgery. Adam's apples develop during puberty and are not present in prepubescent children.
2ans.). A hormone is a chemical messenger produced by a cell that effects specific change in the cellular activity of other cells (target cells). Unlike exocrine glands (which produce substances such as saliva, milk, stomach acid, and digestive enzymes), endocrine glands do not secrete substances into ducts (tubes)
Answer:
When the larynx grows larger during puberty, it sticks out at the front of the throat. This is what's called an Adam's apple. Everyone's larynx grows during puberty, but a girl's larynx doesn't grow as much as a boy's does. That's why boys have Adam's apples.
Hormones are chemical messengers that are secreted directly into the blood, which carries them to organs and tissues of the body to exert their functions. There are many types of hormones that act on different aspects of bodily functions and processes. Some of these include: Development and growth.