What advantage is conferred by having the phrenic nerve come off the cervical plexus, rather than simply directly off the spinal cord?

Having a lower risk of complete damage.

Explanation:

The advantage of having the phrenic nerve come off the cervical plexus rather than directly off of the spinal cord is having a much more lower risk of losing the function that it provides which is breathing, crucial for the body.

As the nerve coming off the cervical plexus can not be damaged completely, unlike the spinal cord, it can still continue to function at some level.

I hope this answer helps.

the answer is c

explanation:

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.