Exam 2: C: The Biological Perspective

The nervous system called the "fight or flight" system is the _______ system.

Nodes of Ranvier are:

The structure that connects the two hemispheres of the cerebral cortex is the _________.

Neural messages travel faster on axons which

Neurons in the brain that carry messages from one neuron to another and do most of the work of the nervous system are called __________.

The period in which the neuron begins to pump sodium ions out of the cell and can only fire if the incoming message is extremely powerful is called the

The idea that large fibers in the sensory nerves can prevent impulses from reaching the brain and thus prevent the sensation of pain is part of the _____________ theory of pain.

The site of many mental processes that are unique to humans (self-awareness,initiative,planning ability,and goal-directed behavior)is the __________.

Endorphins

Chemical substances released by the endocrine glands to help regulate bodily functions are __________.

Estrogen is to _______ as testosterone is to _______.

The glands that secrete hormones directly into the bloodstream are called __________.

Mendel postulated the existence of:

The left and right cerebral hemispheres are connected by the:

The two major divisions of the central nervous system are:

The autonomic and somatic nervous systems are divisions of the _______ system.

Damage to the medulla can seriously impair one's ability to:

The ___________ gland produces the hormone which regulates the body's rate of metabolism.

The brain:

Corey was in an automobile accident that resulted in an injury to her brain.She now has difficulty with her hearing and her memory.The part of her brain most likely injured was her __________.