Which system permits blood to circulate and transports nutrients around the body?

• Nervous
• Respiratory
• Circulatory
• Digestive

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

• respiratory
• digestive
• muscular
• skeletal

The circulatory system works with the __________ system to obtain energy from nutrients that we eat. 

• respiratory 
• digestive
• skeletal
• nervous

Your heart is an example of which type of muscle?

• a big one
• voluntary
• involuntary
• bicep

The right side of the heart pumps blood to the

• organs

• brain

• lungs

• intestine

Approximately, how long does it take for all of the blood to circulate one time through the body?

• 1 minute

• 5 minutes

• 1 hour

• 1 day

The heart is the size of

• an apple

• your foot

• your fist

• a basketball

The heart _________________________

• Pumps blood

• Protect the body

• is the smallest blood vessels

• is a tube

Tags

NGSS.MS-LS1-3

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

Tags

NGSS.MS-LS1-3

Where does blood get oxygen from?

• Liver

• Heart

• Lungs

• Brain