The Circulatory System

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

• Nervous
• Respiratory
• Circulatory
• Digestive

This type of vessel carries blood TO the heart:

• vein
• nerve
• muscle
• artery

When oxygen-rich blood is carried AWAY from the heart, it travels through an...

• artery
• neuron
• vein
• straw

The smallest type of blood vessel is the:

• nerve
• vein
• capillary
• artery

The cells in the blood that help fight germs and illnesses are the...

• red blood cells
• platelets
• white blood cells
• axons

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NGSS.MS-LS1-2

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Which best describes the relationship between the muscular system and the circulatory system? 

• The circulatory system captures carbon dioxide from the air for muscle energy.
• The circulatory system produces red blood cells to bring oxygen to the muscles
• The circulatory system provides a framework for muscle movement
• The circulatory system delivers oxygen for muscle energy

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NGSS.MS-LS1-3

How does the heart work?

• It pumps blood first to the lungs, back to the heart and then around the rest of the body.

• It pumps blood first to the rest of the body, back to the lungs and then to the heart.

• It pumps blood around the rest of the body, back to the heart and then to the lungs,

The plasma that contains blood cells is mainly made up of 

• cytoplasm
• nutrients
• waste
• water

Platelets 

• allow for gases to exchange
• give blood its color
• fight infection and disease
• help clot blood

The five main parts of the circulatory system are?

• heart, blood, nutrients, flakes, skin
• heart, blood, valves, crust, mantle
• heart, blood, veins, arteries, capillaries 
• heart, blood, cells, skin, nerves