Front

What does circulate mean?

Back

go around and around

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Front

Your heart is about the size of your __________.

Back

fist

Front

Which is a good way to keep your heart healthy?

Back

Eating healthy foods

Tags

NGSS.MS-LS1-7

Front

What does your heart do?

Back

pumps blood through your body

Front

Blood delivers nutrients, ______________, and heat to keep our bodies alive.

Back

oxygen

Tags

NGSS.MS-LS1-3

Front

What is the main function of the circulatory system?

Back

To transport blood, nutrients, and oxygen throughout the body.

Front

What are the main components of the circulatory system?

Back

Heart, blood vessels, and blood.

Front

What is the role of arteries in the circulatory system?

Back

To carry oxygen-rich blood away from the heart.

Front

What is the role of veins in the circulatory system?

Back

To carry oxygen-poor blood back to the heart.

Front

What is blood made of?

Back

Red blood cells, white blood cells, platelets, and plasma.