study guide
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| 1. Describe the function of the digestive system. ESSAY | to break down food so it can be used by the body; absorption; get rid of undigestible material
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| 2. Can you write the order of the digestive system pathway beginning with the mouth and ending with anus? | mouth -pharynx - esophagus - stomach - small intestine - large intestine - rectum - anus
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| 3. Explain the difference between chemical and mechanical digestion. | Chemical - large molecules are broken into nutrients by saliva or digestive juices; mechanical - breaking, crushing & mashing of food (movement)
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| 4. What do enzymes do for digestion? | the break some nutrients into smaller particles the body can use
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| 5. List the three types of teeth. | canines, molars and incisors (front teeth). Protective layer of teeth - enamel
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| 6. What does each type of tooth do? | canines - holds onto and rips (punctures);
molar - chew/grind;
incisors -bite things off
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| 7. How many baby teeth do you get? | Twenty (20)
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| 8. How many adult teeth do most adults receive? | Thirty-two (32)
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| 9. What does saliva do for the digestive system? | begins chemical digestion
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| 10. List the term for the back of the throat. | pharynx
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| 11. What is the function of the esophagus. | to take food from the throat (pharynx) to the stomach
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| 12. What is the name of the soupy mixture inside the stomach? | chyme
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| 13. What is the function of the stomach? | to break down food with stomach acids(chemical) and muscle contraptions of the stomach(mechanical); the acids produced kill most bacteria swallowed with food
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| 14. List the function of the pancreas. | makes digestive enzymes that go to the small intestine and hormones that regulate sugar levels.It also releases bicarbonate compounds.
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| 15. How long is the small intestine? | 6 meters (20ft). The villi in the small intestine increase surface area for nutrient absorption
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| 16. You use your small intestine to do what? | to break down food and absorb nutrients from the food. It is narrower than the large intestine.
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| 17. The liver produces what? | bile (yellow-green). The liver also stores nutrients and breaks down toxins
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| 18. Where is bile stored in the body? | gall bladder. it squeezes bile into the small intestine
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| 19. List the functions of the large intestines. | it stores, compacts, and eliminates solid wastes from the body
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| 20. Describe the function of the urinary system. ESSAY | removes waste products from the blood.
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| 21. List the pathway of the urinary system. | kidneys, ureters, bladder, urethra
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| 22. What organ filters your blood? | kidney. To stay healthy kidneys help our body gets rids of wastes like carbon dioxide and ammonia.
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| 23. Inside the kidneys are the _______________that filters the blood. | nephrons
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| 24. What type of artery and vein flows blood to and away from the kidneys? | renal artery and renal vein. After blood is cleaned by kidneys it leaves via the renal vein to the rest of the body
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| 25. Urine is removed from the kidneys to the bladder via what type of tube? | ureters
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| 26. Where is urine stored? | bladder
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| 27. The tube that releases urine from your body is called? | urethra
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| 28. Kidney stones form inside the ________ and blocks your urine. | ureter
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