Answer:
It is B
Explanation:
I had this question on my test last week.
It processes and bundles macromolecules like proteins as they are synthesized in the cell. It is also involved in secretion and intracellular transport.
Intercalated disks support the synchronized contraction of cardiac muscles
The part of the CNS that is responsible for these functions is the brain stem.
The brain stem is the part of the brain that control very basic functions of your organism and lets them work together as they should. The other parts that are mentioned all have much more specific and also different roles.
