The oldest known conception of the life course is in the __________.

Which of the following experiences is a symptom of a panic attack?

a. feeling sad b. feeling irritable c. feeling like you are going crazy or dying d. feeling extremely tired

The fluid-filled gap between two neurons through which neurotransmitters carry neural impulses is known as the _____

A) receptor site B) axon terminal C) synaptic cleft D) sympathetic division