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20 Cards in this Set
- Front
- Back
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What are the four functions of skin?
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protection
sensation excretion temperature regulation |
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Organs food passes through?
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Esophagus=> stomach=> small intestine=> large intestine=> rectum=> anus=>
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Digestion is
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when our body breaks down food
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Absorption is
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when food molecules enter the blood & are carried to cells
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Excretion is
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when our body passes waste out of the body
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mechanical digestion is
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when food physically brokwn down into smaller peices by chewing & schurning
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chemical digestion is
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when food is chemically broken into smaller molecules by enzymes
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Enzymes
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when protiens that speed up chemical reactions in the body
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Esophagus
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a muscular tube that connects mouth to the stomach
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Peristalsis
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involuntary smooth muscle contractions that move food in one direction through the digestive system (unless vomiting out of homeostasis)
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Stomach
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muscular pouch in the abdomen
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Mechanical digeston
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churning
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chemical digestion
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pepsin and hydrolic
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Villi
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millions of tiny finger shaped structures that line the walls of the small intestine to provide more survace area for nutrient absorption
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Liver
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produces bile to physically break down fats (like dish soap on grease)
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Gall Bladder
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stores bile produced by the over & passes it into the small intestine
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Pancreas
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produces enzymes that flow into the small intestine & help complete chemical digestion
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Large intestine
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water is absorbed into the blood stream & the remaing fiber & undigested food is propared for excretion
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Rectum
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short section at the end of the large intestine where waste is compressed into solid form
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Anus
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muscular opening at the end of the rectum where wastes exit the body
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