Cell wall is right option.
D, Afferent (primarily outer hair cells) are the most important sensory transducers. Efferent (primarily inner hair cells) are under feedback and “motor control.” is correct
Mitosis is the process in which a singular cell divides into two identical daughter cells, this process is called cell division. The purpose of mitosis is responsible for the growth of new cells and to replace dead cells in the body. Hope this helps :)
The human body also repairs injuries by means of cell division. When skin is cut, the skin cells on either side of the cut divide to make new cells that heal the wound.
Aldosterone hormone is produced by the adrenal gland, it acts in the functional unit of the kidneys to aid in the conservation of sodium, secretion of potassium, water retention and to stabilize blood pressure. The hormone causes water to be absorbed along with sodium ions which increases the blood volume and therefore blood pressure. It indirectly regulates blood levels of electrolytes and helps to maintain the blood pH.