Researchers have found that adolescents who sleep ________ a night are at an increased risk of depression.

The joined pair of egg-shaped brain structures that receives information from all your senses except smell is the

The endocrine system consists of the

The neural center in the limbic system that processes conscious, explicit memories of facts and events for storage is called the

The two major divisions of the nervous system are the central nervous system and the ________ nervous system.

Neurons that function within the brain and spinal cord are called

Psychologists study animals because

One function of glial cells is to

The body’s natural production of endorphins is likely to be

Which structure at the back of the brain helps process and store memories for things you cannot consciously recall, such as how to ride a skateboard?