Multi-select problem: How does the next paragraph end?

How to study the function of the adrenal gland in humans
Learn the anatomy of the adrenal gland.
The adrenal gland is located directly above the kidney. There are two adrenal glands each is located on top of each kidney.

Available choices:
a). A functional gland is located at the top right-hand corner of the kidney. The gland located on the left of the gland is located on top of the kidney and furthest to the left of the brain..
b). The glands are blood vessels and you can visualize the gland through the ecg, most of which is exposed through a patient's mouth. The glands are a red ring with an indicator indicator..
c). The adrenal gland has very important roles in maintaining homeostasis inside the body. This is manifested by the number of hormones that it secretes into the blood circulation..
d). The adrenal gland will have a second proton pump per psi. The gland is located directly below the kidney..
c).