Excitatory neurotransmitter? This question is too vague.
Answer:
You must be taking an test. Anyways the interesting thing about the heart it is the size of an adult fist.
I would think A
Peer pressure can come from anyone. Not just siblings and people older than you. Peer pressure is usually from a group that one hangs out with.
Answer:
The correct answer is option B
B. reverberating circuit
Explanation:
Reverberating circuit: for reactivating of nerve impulses and retrieval of information.
Answer:
Bacteria, Virus, Prion, Fungi.
Explanation:
