Asymmetry is the lack of symmetry.
Answer:
Serotonin is an important chemical and neurotransmitter in the human body. it is believed to help regulate mood and social behavior, appetite and digestion, sleep, and memory
Abcdefggijklmnnopqrstuvwxyz
Because they are made to perform two different functions. Cells are part of tissues that are part of organs that perform a certain function. For example, your bone cells are made to make blood cells, so they wouldn’t be in your lungs as well.
A digestive system is a part of the body that processes food into energy
