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![]() Human Digestive System - Part 1Mastery: 0%
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Tongue
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muscular organ that perceives taste and facilitates swallowing
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Saliva
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watery fluid that lubricates food and contains enzymes to begin starch digestion
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Pharynx
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passage between the mouth and esophagus
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Esophagus
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tube that uses muscular contractions to push chewed food into the stomach
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Stomach
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muscular pouch that partially digests food by mechanically mixing it with acids and enzymes
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Gallbladder
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organ that stores and releases bile
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Bile
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greenish alkaline substance released into the small intestine to emulsify fats and neutralize acid
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Pancreas
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organ that secretes a fluid mixture into the small intestine to neutralize acid and aid digestion
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Appendix
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organ that stores good bacteria for use in rebooting the digestive system after diarrheal illness
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Rectum
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muscular structure that receives and holds solid waste until ready for excretion
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Anus
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opening at the end of the digestive tract that controls excretion of solid waste
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Salivary glands
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set of organs that secrete saliva and enzymes into the mouth
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Gastric juice
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fluid secreted by stomach cells containing hydrochloric acid and digestive enzymes
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Pancreatic juice
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fluid containing bicarbonate and enzymes to neutralize acid and digest nutrients
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Large intestine (also called colon)
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organ that absorbs water from undigested food matter and transmits waste for excretion
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Small intestine
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organ that finalizes breakdown of food and absorbs nutrients into the blood stream
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Liver
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organ that produces a greenish substance needed to digest fat
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