Neurons convey information about the environment from the sense organs to the brain, and neurons communicate information to the muscles and glands.
a. excitatory;
b. inhibitory motor;
c. sensory sensory;
d. motor dendritic;
e. axonal

C). Sensory neurons, D).motor neurons

Explanation: Sensory neurons are nerve cells that carry signals from the external parts of the body such as the skin, eyes, ear, nose (the sense organs) to the brain.

Motor neurons are nerve cells that carry information or messages away from the central nervous system ( brain and spinal cord) to the rest of the body such as the skin, muscles and glands.

it would lead to upper respiratory infections and pneumonia.

"a.) well–developed vascular system."