It is 4. the reproductive cycles of males and females are regulated by hormones
Option1) a cell membrane.
Option2) kinetic energy.
If none of these options are right. Can I please have the right answer, I would love to know.
It consists of skin, hair, nails, and glands. The skin protects the body from the environment on the outside. It also functions to retain body fluids, protect against disease, eliminate waste products, and regulate body temperature. It also helps store fat and water.
Hope This Helps!
I believe the answer is genome
