What is heredity because it is asking me about it

Heredity is the pass  of characteristics/physical features.

Explanation:

For example, you can inherit the same color hair as one of your parents.

You are inheriting a special trait that they have.

true child development specifically

the more fit you are, the faster the recovery. your heart rate drops most sharply in the first minute after you stop exercising; it should then fall about 20 beats a minute—a drop of less than 12 beats a minute is considered abnormal. this “recovery heart rate” is measured as part of an exercise stress test.