Circulatory and Respiratory Systems

What is the main organ of the circulatory system?

• bone

• lungs

• heart

The circulatory system works with the ___________ system to provide our body with oxygen.

• respiratory

• digestive

• muscular

The main function of the circulatory system is 

• To give the body structure and support

• Excrete waste

• transport blood, nutrients, and gases throughout the body

Which body system is shown here?

• circulatory system

• respiratory system

Tags

NGSS.MS-LS1-3

Which body system is shown here?

• circulatory system

• respiratory system

What is the main organ in the respiratory system?

• lungs

• heart

• vein

What is the main organ in the circulatory system?

• lungs

• heart

• diaphragm

You breathe in ___________ and breathe out ___________

• carbon dioxide, oxygen

• oxygen, carbon dioxide

Arteries carry blood ____________________, veins carry blood _________________

• back to the heart, away from the heart

• away from the heart, back to the heart

• to outer space, back to Earth

What is the main function of the Respiratory System?

• blood transports nutrients and gases through the body

• exchanges gases between the body and the environment

• breaks down food to provide energy