1. what hormones (at least three) are responsible for human growth and development and what do they do?

2. describe what menstruation is and how it relates to reproduction.

3. what are common emotional and physical challenges that arise during transition from child to adult? include and describe at least three challenges.

1. testosterone, estrogen, and thyroid hormone.

2. Menstruation is when a women's body produces an egg at their time of the month - when the egg is not fertilized by a sperm, a woman menstruates. If an egg is fertilized, that is the beginning of a baby.

3. Some challenges are:

a. hormones affecting your mood and how you feel about yourself

b. change in voice, hight, weight, etc

c. change in friends during this time can also be hard, because as time goes on you will look and act different, and they will too!

Explanation:

Hope this helps (:

if this is true of false i think it would be true

frequency is the answer