Question

Neurons are categorized by the

A
direction in which they carry impulses.

B
amount of metabolic activity that takes place.

C
number of dendrites that branch out.

D
number of impulses that they carry.

Answer 1

A) Direction in which they carry impulses.

Afferent neurons carry impulses from the tissue/organs to the brain. Efferent neurons carry impulses from the train out to efferent cells in the tissues.