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pushes the food to the back of your throat

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mechanical- grind/break down the food
chemical- enzymes break down carbohydrates

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carry blood away from the heart

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]Can you have 2 hearts?

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how does it work?

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Around how many veins d oes the body have ?

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Is there more than one type of Vein

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do veins and arteries have the same purpose 

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do veins and arteries have the same purpose 

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how fast does blood flow through the arteries?

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why is oxygen important to the blood and cells?

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Is there a certain amount of stomach acid your body has to have?

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Could you be able to digest without a stomach?

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no?

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It takes around 6 to 8 hours for one thing to be digested

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The body typically digests foods within 24 to 72 hours. Digestion begins from when food enters the mouth. Once in the stomach, the food is mixed with stomach acid. Once in the small intestine, the food remnants are exposed to digestive juices, bile, and enzymes from the pancreas and liver.

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The digestive system is important because it allows the body to have needed nutrients

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to help us break down/digest our food..?

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The digestive system is also connected to the circulatory system

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Is the Digestive system the most or the least important system?

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is it possible for you to digest food without stomach acid being there

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is digestive system connected to another system

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is digestive system connected to another system

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why do we have a digestive system

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are there different types of stomach acid? if so, why?

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How many things help breakdown the food in the stomach?

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Is everything digested or only certain parts of the food?

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how many types of stomach acids are there?

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how long does it take for stomach acid to fully break down food?

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Why cant every living thing be multi-celled.

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how would the circulatory system change if we only had one lung??

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Are the lungs and heart working together in the respiratory system?

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Are the lungs and heart working together in the respiratory system?

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Why is there movement with in the cells?

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Why is there movement with in the cells?

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how long would it take for cells to reproduce?

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what is the purpose of them?

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how fast can cells move?

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how do cells die? can they die

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what do they look like?

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what are the parts and functions? do they depend on the location? ex. cheek cells could have different functions than the elbow cells.

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how do they work?

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Do some cells have the same purpose but just different names?

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Do some cells have the same purpose but just different names?

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how do red blood cells and white blood cells work the same?

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How much time does it take to digest one thing

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Is the bone marrow and muscles connected in some form