Nervous and Endocrine System - Retest

Front

What is the definition of the nervous system?

Back

The nervous system is a network of cells that uses electrical impulses to send messages throughout the body.

Front

Why does a track athlete's heart beat faster after sprints?

Back

The body is trying to increase the oxygen supply to the muscles.

Front

What causes vomiting when the body has a virus?

Back

The nervous system tells the stomach muscles to contract quickly to remove toxins from the body.

Front

What is an external stimulus?

Back

An external stimulus is any event or change in the environment that can provoke a response from the body.

Front

What is the fight or flight response?

Back

The fight or flight response is a physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival.

Front

What role do hormones play in the endocrine system?

Back

Hormones are chemical messengers produced by the endocrine system that regulate various functions in the body.

Front

How does the nervous system communicate with the body?

Back

The nervous system communicates through electrical impulses transmitted along neurons.

Front

What is homeostasis?

Back

Homeostasis is the body's ability to maintain a stable internal environment despite changes in external conditions.

Front

What is the main function of the brain in the nervous system?

Back

The brain processes information and coordinates responses to stimuli.

Front

What is the relationship between the brain and the organism?

Back

The brain is the control center of the organism, similar to how the nucleus is the control center of a cell.