Answer:Read the question its simple....
Explanation:
The branch of medicine or biology that deals with the anatomy, functions, and organic disorders of nerves and the nervous system.
Answer:
do wants us to say a rock or something else?
Explanation:
<span> the answer is the brainstem</span>
<span>The nephron is the basic structural and functional unit of the kidney, it regulates the concentration of water and soluble substances like sodium through filtering the blood, reabsorbing what is needed and excreting the rest as urine. Therefore urine should be free of blood as the nephron filters the blood, cleaning it for the body to reuse.</span>