Answer:
vitamin D? Im not sure so check in with other people and do some more research.
Explanation:
The ensure that you ingest the adequate amounts of each food groups to maintain a healthy body.
Answer:
It carries messages through neurons. It allows you to move your muscles
Explanation:
Neurons send what are known as electrochemical signals. Once a neuron has been stimulated by some sort of stimulus, it generates an electric potential that travels down the length of the cell. This is the 'chemical' part of electrochemical process.
Answer:
I believe because they are a easier target
Explanation:
1-4
2-3
3-1
4-2
I hope this helps