Answer:
did you already get the answer or you still need help
Answer:
Carbon remains carbon
Explanation:
An atom of one element does not change into an atom of another element.
That's why A, B, and D are wrong.
By the process of cell differentation
Hormones - they travel through the blood to other parts of the body. Hope This Helps!
You didn't really provide any possible answers here. However, it's very easy to say that the responsible actors for impulse transmission across the synapses from one nervous cell to another nervous cell is what we call neurotransmitters. These are special molecules that can have different effects when binding onto the required receptor sites.
