Answer:
I think the answer would be option A.
Explanation:
A healthy diet and daily exercise has its benefits for the body. It´s good to be healthy, but you should not exercise too much because you would be overworking what your body could handle. Having a healthy diet includes protein from all the food groups. You would get protein, calcium, and etc from the food groups.
( I am so sorry if my answer is wrong, but that´s what I would choose :) )
The cells eventually start to die out, causing for organs to slowly dye, starting with the lungs and heart which is why you may feel cold as the blood thats pumped stops...I hope your depressed now...Naw just kidding health is important to know :)
The glial cells forming myelin sheaths are called oligodendrocytes in the central nervous system and Schwann cells in the peripheral nervous system. The gaps (approximately 1 micrometer wide) formed between myelin sheath cells long the axons are called Nodes of Ranvier.
hope this helps :p
I would say it is the letter C.
