Our brain contains billions of __________.
A) neurons
B) types of chemical transmitters
C) types of motor transmitters
D) catecholamines

Question

Quizplus · Accepted Answer

Our brain contains billions of neurons, which are specialized cells that transmit electrical and chemical signals throughout the brain and body. The other choices mentioned (types of chemical transmitters, types of motor transmitters, and catecholamines) are more specific types of molecules or processes that occur within neurons, but do not represent the overall structure of the brain.

Our Brain Contains Billions of __________