The Endocrine System
Melanogenisis is the activity that controls melanocytes. Melanocytes are the cells in the human body that produce melanin, the pigmentation found in eyes and skin.
the medulla
3
nervous system
hypothalmus
the respiratory system
the Medulla
The only activity that does not affect the earth's system is Converting Solar Energy. This is healthy for the earth.
The activity of all human body systems are coordinated by the secretion of hormones and the nervous system.
The 'nucleus' is what controls the cell in a human or animal system of body.
Diffusion is an important mechanism in the human body. It facilitates the uptake of water and nutrients into the cell, controls metabolic waste excretion and regulates the exchange of oxygen and carbon dioxide in the lungs.