I am pretty sure that it is called Excretion.
blood.
Sweating and thirst
mummies
it start with a "m" I think
Respiratory
Pathogens
Sneezing and a running nose.
Mucous production and coughing.
Season 4 "Who Are You?"
Cellular metabolism is the process by which the body's cells are nourished and energized through the breakdown of nutrients and production of energy. This process involves various biochemical reactions that allow cells to function and carry out their basic functions.
Barriers, The Inflammation Process, and Antibodies.
Cells