The Circulatory System

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

• respiratory 
• digestive
• skeletal
• nervous

The smallest type of blood vessel that connects the other vessels together is the

• nerve

• vein

• capillary

• artery

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

• respiratory

• digestive

• muscular

• skeletal

Our circulatory system helps us...

• Clean our blood.

• Breathe

• Sense the world around us.

• Transport blood around the body.

What does our heart do?

• It absorbs water into our bloodstream.

• It absorbs oxygen into our bloodstream.

• It cleans our blood.

• It pumps blood around our body.

What do our arteries do?

• They transport blood away from our heart.

• They transport blood to our heart.

• They transport information away from our heart.

• They transport information to our heart.

What do our veins do?

• They transport blood away from our heart.

• They transport blood to our heart.

• They transport information away from our heart.

• They transport information to our heart.

What is the main organ in the circulatory system?

• vein
• lung
• heart
• aorta 

Carbon dioxide is considered a _________________

• food
• waste
• energy
• fun party favor

Tags

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Red blood cells transport __________ around our body.

• oxygen
• plasma
• bones
• cardiac muscles

Tags

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