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Circulatory System

Across
This organ pumps all day, every day, to keep you alive
The heart has this many chambers
Also known as the "windpipe"
This stops the back-flow of blood
This tiny vessel is about one blood cell wide
This life-giving gas circulates to all parts of the body to keep them alive
A "room" or division in the heart
You feel this as a result of the beating of your heart
Carries blood from the body back to the lungs
Down
This strong tissue below your lungs pushes up, causing you to breathe in
These organs purify the blood of bad substances
Carries blood in "spurts" to the body
Oxygen-poor blood is this color
These organs give oxygen to the blood, which then carries It to the body
Your blood pressure is a measure of the ___ of your heartbeat
This color of blood cell fights off disease
Blood is this color when it contains oxygen