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29 Cards in this Set
- Front
- Back
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Pharynx
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Throat
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Epiglottis
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Flap that drops downa dn covers opening to trachea during swallowing. Prevents Choking.
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Esophagus
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Muscular tube that connects pharynx to stomach
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Peristalsis
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Rhythmic Contractions of muscles in the digestive tract; begins in the esophagus and pushes food toward the anus.
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Sphincters
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Circular muscles: Control entrance/exit of materials to and from the stomach.
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Chyme
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Aids in digestion by mixing foods with gastric (stomach) juices/acids to form chyme
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Flow of Digestive Tract
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Mouth--->Esophagus---> Stomach---> Small Intestine---> Large Intestine "colon"---> Anus
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3 Salivary Glands
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Parotoid Glands (2)
Sublingual Glands (2) Submandibular Glands (2) |
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How many Primary Teeth and permanent Teeth
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Primary Teeth = 20
Permanent Teeth = 32 |
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Soft Palate
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Prevents food/liquid from entering the nost when eating.
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Four Layers of Digestive Tract Walls?
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1. Mucosa (Inner)
2. Submucosa 3. Muscularis 4. Serosa (Outer) |
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Mucosa
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Mucous Membrane layer of digestive tract that secretes enzymes and mucus for digestion
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Submucosa
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Layer of digestive tract wall that is a layer of c.t. for protection.
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Muscularis
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Layer of digestive tract wall that is a Double layer of smooth tissure that mixes and moves food
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Serosa
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Layer of digestive tract wall that is a serous membrance that secretes serous fluid for lubrication.
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Functions of Stomach
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1. Stores Food
2. Aids in Digestion 3. Forms Chyme |
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Function of Small Intestine
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1. Absortion of Nutrients
2. Completes Digestion * Contains Villi and Microvilli to increase Absorption. |
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Function of Large Intestine
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1. Stores & Eliminates Waste
2. Absorbs Water, Salts & Vitamins |
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3 Sections of Small Intestine in Order
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1. Duodenum
2. Jejunum 3. Lleurn |
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4 Sectyions of Large Intestine in Order
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1. Cecum
2. Colon 3. Rectum 4. Anus |
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Cecum
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Connects to Small Intestine
Appendix is attatched |
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Colon
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Divided into Ascending Colon---> Transvers Colon---> Descending Colon---> Contains bacteria that breaks down indigestible material.
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Rectum
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Muscular Tube that stores feces temporarily
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Anus
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End of Digestive Tract, exit site for waster. Voluntary Control of Sphincter Muscle and Reflex.
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3 Enzymes Secreted by the Pancreas & Nutrients It Digests.
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Pancreatice Amylase--> Carbs
Trypsin--> Proteins Lipase--> Fats |
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2 Hormones secreted by Pancreas
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Insulin: Lowers Blood Sugar
Glucagon: Raises Blood Sugar |
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5 Functions of Liver
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1. Filters Blood
2. Stores Iron & Glycogen 3. Stabilizes Blood Glucose 4. Produces Bile 5. Sends Bile to Gall Bladder |
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2 Functions of Gall Bladder
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1. Stores Bile
2. Sends Bile to Duodenum for digestion of fats |
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List 3 Digestive Enzymes and the Nutrient it Digest
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Maltase---> Carbs
Lipase---> Fats Peptidase---> Proteins |
