an action or movement of the body that happens automatically as a reaction to something

• peripheral nerve

• central nervous system

• spinal cord

• reflex

• brain

a nerve that is not part of the central nervous system and receives sensory information

• peripheral nerve

• central nervous system

• spinal cord

• reflex

• brain

Part of the nervous system that is made up of the brain and spinal cord.

• peripheral nerve

• central nervous system

• spinal cord

• reflex

• brain

interprets information from the nervous system and controls muscle movement

• peripheral nerve

• central nervous system

• spinal cord

• reflex

• brain

moves information to and from the brain and peripheral nerves

• peripheral nerve

• central nervous system

• spinal cord

• reflex

• brain

Which body system includes the brain, spinal cord, nerves, and sense organs?

• respiratory system

• nervous system

• skeletal system

• excretory system

Why are some nerve cells very long?

• They must move water through the body.

• They must carry messages through the body.

• They must fit inside tiny blood vessels.

• They must dispose of water.

Tags

NGSS.MS-LS1-3

The brain is part of which system?

• digestive system

• peripheral nervous system

• circulatory system

• central nervous system

Which is not directly connected to peripheral nerves?

• nose

• tongue

• skin

• brain

Your nervous system sends information throughout your body in the form of  electrical signals. As a result, your reaction time depends on the speed of these signals. 

• TRUE

• FALSE

Tags

NGSS.MS-LS1-8