What are infectious agents? A. agents that investigate a different type of infection
B. attackers that can cause a response by the immune system
C. attacker that cannot cause a response by the immune system
D. infectious agents are always good for the human immune systeme

Neurotransmitters are messengers responsible for communication between neurons. they are released from synaptic vesicles and are received by receptors.  the communication is referred to as neurotransmission. the following statement is true about neurotransmitters: a. they're stored in synaptic vesicles in the axon.

Processes above and be sure to mention the movement of electrons and energy as the carbon atom moves from one reaction to another.