Reflex actions are useful. explain why. (2 marks) (use eyes and changes in light as example)

Reflex arc are rapid and happen without us thinking.For example,you would pull your hand away from a hot flame without thinking about it

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.