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human body week 7
Term | Definition |
---|---|
digestive system | The body system that breaks down food into tiny pieces so that the body’s cells can use it for energy |
esophagus | A muscular tube that helps move food from the mouth to the stomach |
intestine | An organ of the digestive system that removes nutrients and water from |
digested food | The intestine is made up of two parts: the small intestine and the large intestine |
nutrients | A substance such as a fat, a protein, or a carbohydrate that a living thing needs to survive |
stomach | A muscular organ in the body where chemical and mechanical digestion take place |
saliva | A fluid in the mouth that helps digest food |
digestion | The process by which the body breaks down food so that it can be used for energy |
anus | The opening at the end of the digestive track where feces exit the body |
absorb | To take in matter or energy |
mouth | Part of the digestive system that takes food into the body |