Answer:
the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
Explanation:
Answer:
they have lower levels of the neurotransmitter serotonin
The main function of the nephron is to filter wastes out of the body and the re-absorption of substances required by the body.
The nephron also has components that have specific functions. There are about 1 million nephrons in one kidney