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Resp. & Circulatory
respiratory & circulatory system information
| Question | Answer |
|---|---|
| Your cells need ____________ to work. *Hint: You get this when you breathe in. | oxygen |
| Your cells give off _________________ when they work. | carbon dioxide |
| Air enters your body through the ___________ and ________________. | mouth and nose |
| Air goes down the ______________. | trachea |
| The trachea separates into tubes. At the end of the tubes are _________________. | air sacs |
| _____________________ surround the air sacs. | capillaries |
| What system in your body brings oxygen into your body, and takes carbon dioxide out? | respiratory system |
| What system in your body transports oxygen to the cells of your body, and picks up the carbon dioxide from your cells? | circulatory system |
| What are the main organs of the respiratory system? | lungs |
| What is the main organ of the circulatory system? | heart |
| The job of the circulatory system is to take ______________ to your body's cells. | blood |
| _______________ take blood away from your heart. | arteries |
| _______________ bring blood back to your heart. | veins |
| _______________ are the small blood vessels that connect arteries and veins. | capillaries |
| Your heart is actually a _______________. | muscle |
| Your heart is made up of 4 ______________. | chambers |
| Special _____________ allow blood to only flow in one direction. | valves |
Created by:
rhealy
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