How Do Our Bodies Digest Food, Remove Wastes, and Send Messages?

What are the functions of the muscular system. Select two correct answers.

• Helps you see

• Helps you move

• Helps fight diseases

• Helps your heart beat

The cardiac muscle is found only in your

• foot

• arm

• heart

• brain

Which system protects our organs?

• circulatory

• skeletal

• respiratory

• muscular

What is the main function of the nervous system?

• pump blood

• clean waste

• absorb nutrirents

• deliver messages to the brain

The skull protects the

• Heart

• Brain

• Lungs

Inspire is another word for breathing out.

• True

• False

Arteries are thick vessels that move blood away from the heart.

• True

• False

Which best describes the respiratory system?

• It helps people breathe in oxygen and breathe out carbon dioxide

• It helps people use their muscles

• It sends messages all over your body

• It helps you digest your food.

An organ that contracts to produce body movement.

• bone

• muscle

• lungs

• brain

What is the function of the stomach for the body?

• To mash up food into smaller pieces and begin the process of removing nutrients for the body

• To absorb the nutrients from the food we ate and give it to the blood.

• To take in oxygen and remove carbon dioxide

• To pump the blood throughout the body.