| Front | Where is bile made and stored in the body? |
| Back | Bile is made by the liver and stored in the gallbladder |
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| Front | How does the double circulatory system work? |
| Back | ● One pathway carries blood from the heart to the lungs - where the gaseous exchange of oxygen and carbon dioxide takes place.● One pathway carries blood from the heart to the tissues. |
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| Front | How are veins adapted for their function? |
| Back | ● Function: carry blood towards the heart ● Wide lumen - enables low pressure● Valves - prevent backflow of blood |
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