Which of the following muscles adducts the arm? O A. deltoid
O B. sternocleidomastoid
O C. latissimus dorsi
O D. subscapularis
O E. serratus anterior

B. I hope this really helps you so much.

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.