What does the digestive system do?

• Breaks down and handles food
  
  
• Pumps blood throughout the body
• Helps you breathe
• Helps your arms and legs move

Tags

NGSS.MS-LS1-7

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

• mouth
• esophagus
• heart
• intestines

Tags

NGSS.MS-LS1-7

Where does digestion begin?

• mouth
• esophagus
• stomach
• intestines

Tags

NGSS.MS-LS1-7

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

Tags

NGSS.MS-LS1-7

Your body couldn’t breathe without this system. Which one is it?

• circulatory
• skeletal
• respiratory
• urinary

Tags

NGSS.MS-LS1-3

When you breathe in air, you inhale oxygen into your lungs and exhale ____.

• carbon dioxide
• oxygen
• nitrogen
• carbon monoxide

Tags

NGSS.MS-LS1-3

The two major organs of the respiratory system where the gas exchange takes place are called ______.

• stomachs
• brains
• lungs
• nerves

The movement of blood through the heart and body is called ______.

• circulation
• ventriculation
• locomotion
• pumping heart

With circulation, the heart provides your body with which of the following? Choose the best answer. 

• oxygen
• nutrients
• a way to get rid of waste
• all of the above

Tags

NGSS.MS-LS1-3