These are thick vessels that move blood carrying oxygen away from the heart and to the body.

• arteries

• cells

• veins

• capillaries

This is an organ that pumps blood throughout your body.

• capillaries

• veins

• heart

• arteries

This body system includes the lungs, diaphragm, and trachea.

• respiratory

• circulatory

• skeletal

• reproductive

Which body system is responsible for removing waste from your body?

• reproductive

• nervous

• circulatory

• excretory/urinary

Which body system is responsible for carrying oxygen and carbon dioxide in and out of your body?

• respiratory

• muscular

• reproductive

• nervous

Which is not part of the circulatory system?

• blood vessels

• heart

• blood

• liver

This body system consists of the brain, nerves, spinal cord, and sensory organs.

• circulatory

• excretory

• respiratory

• nervous

Which of the following is not part of the digestive system?

• mouth
• esophagus
• heart
• intestines

This tube is made of smooth muscle and carries food from your mouth to your stomach.

• trachea
• intestines
• esophagus
• urethra

The main function of this organ is to break down and digest food to extract necessary nutrients.

• liver
• stomach
• esophagus
• lungs