Answer:
Satellite cells
Explanation:
Satellite cells are the type of glial cells present in the peripheral nervous system (PNS) of brain. These cells cover the cell body of neurons present in the PNS.
Satellite cells support neurons and supply nutrients to the neurons. These cell also provide structural function to the neurons present in the PNS. These cells also control the micro environment of the cell.
Thus, the correct answer is option (a).
Langerhans cells are dendritic cells (antigen-presenting immune cells) of the skin, and contain organelles called Birbeck granules. They are present in all layers of the epidermis and are most prominent in the stratum spinosum.
Answer:
Waste products excreted by kidney are uric acid, urea, creatinine and salts.
Explanation:
Kidneys are the bean shaped organs involved in the process of excretion. The nephrons are present in the kidney acts as the main filtration unit of the excretory system.
The urine is formed by the kidney including three main process - glomerular filtration, tubular reabsorption and tubular secretion. The urine contains excess ions, phenols and sulfates. Some amount of uric acid and creatinine are excreted by the kidney.
