Sense organs include eyes, ears, skin, nose, and _______.

What does the nervous system receive from the sense organs?

Stimuli from the ______ organs change to electrical signals.

The ______ carry these electrical signals to the brain and spinal cord.

The ______ decides what the stimulus is and how to respond.

What is each nerve cell called?

What do nerves carry throughout your body?

In which direction do the messages travel in the nervous system?

The spinal cord is a bundle of ______ that connect the brain to the rest of the body.

What protects the spinal cord?

The brain is the _______ of your body. It controls body functions by receiving and sending out messages to tell it what to do.

Which of the following are parts of the brain?

The brain controls body functions by receiving and sending messages.

What is the largest part of your brain making up 85% of its weight?

What is the medulla also known as?

Which part of the nervous system is in charge of involuntary movements such as breathing, swallowing, heartbeat, and digestion?

What body system controls other body systems?

Select all that apply: The function of the nervous system is to control