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The Respiratory and Circulatory Systems

Across
This type of blood vessel carries oxygen and nutrients AWAY from the heart to the rest of the body
These control the flow of blood through the heart by opening and closing during contractions
This type of blood vessel carries carbon dioxide and waste TOWARD the heart
Tiny blood vessels connecting the arteries and veins; these are what cause a bruise when they burst open
These allow you to breathe in oxygen and breathe out carbon dioxide
System that pumps blood and nutrients throughout your body and has the heart as the main organ in it
Your wind pipe
Down
System that takes in oxygen and gives off carbon dioxide and has the lungs as the main set of organs
The flap that closes over your trachea so that you can swallow your food and not choke
The sheet of muscle that moves your lungs up and down and separates your chest cavity from your abdominal cavity
The grape-like structures in your lungs where the exchange of oxygen and carbon dioxide happen
Area that is shared by the respiratory and digestive systems since both food and air have to pass through this area
Muscular organ about the size of a fist; pumps blood throughout your body