Term
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Definition
animal with a tube within a tube arrangement with 2 openings Ex. humans earthworms etc. |
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Term
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Definition
| macroscopic body cavity between body wall and inner organs(not the cavity within a organ) |
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Term
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Definition
| eu=true, coelom=space between body wall and inner organs... |
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Term
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Definition
| where the coelom(body cavity) is completely lined with membraneous mesentery. |
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Term
| 3 examples of membraneous double layered sacs |
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Definition
pericardium-surrounds heart peritoneum-largest, lines abdominal wall and organs pleura-surrounds lungs |
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Term
| 2 layers of double layered sac |
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Definition
parietal or outer layer and viseral or inner layer..attaches directly to wall of organ you are talking about. |
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Term
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Definition
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Term
| 3 organic components of food |
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Definition
| proteins ,carbs(starch+sugar) , and fats(aka lipids) |
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Term
| byproducts of digestion for 3 components are: |
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Definition
amino acids,monosaccharides or simple sugars and fatty acids and glycerin SIMPLE SOLUBLE AND DIFFUSABLE SUBUNITS |
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Term
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Definition
where the original substance is broken down into simplier substances by the addition of a microscopic molecule of water to the chemical bonds of the original substance. REQUIRES ENERGY FROM ATP |
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Term
| ORAL CAVITY aka BUCCAL CAVITY or MOUTH |
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Definition
3 pairs salivary glands secrete saliva via ducts into mouth.(paratoid,sublingual,submandibular) a quart a day of saliva |
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Term
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Definition
| largest salivary gland anterior/ inferior to each ear |
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Term
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Definition
| located in lower jaw next to angle of each mandible |
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Term
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Definition
| smallest salivary glands, lower jaw under tounge in front of submandibular |
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Term
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Definition
aqueous solution, slightly acidic pH ~6.25-6.85 contains metals and nonmetals and digestive enzymes ex.potassium, sodium , polyatomic ions etc. |
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Term
| digestive enzymes in saliva |
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Definition
lingual lipase-produced by glands in tounge, not very active here works better in stomach salivary amylase-works well on carbs if kept in mouth long enough breaks down into disaccharides. |
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Term
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Definition
lysozyme-kills bacteria immunoglobulin A IgA-antibody that helps prevent certain bacteria from attaching to wall of mouth. |
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Term
| most common antibody immunoglobulin |
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Definition
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Term
| controls amount of saliva we have |
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Definition
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Term
Born with buds for 2 sets of teeth: |
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Definition
baby/primary/deciduous/milk 20 of these, come in at 6-7 months. all by 2 yrs adult/secondary 32 in total start coming in at 6-7 yrs all are in by our 20s |
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Term
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Definition
| hardest most stable tissue in your body |
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Term
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Definition
| teeth,tounge,salivary glands, liver,gallbladder,pancreas,appendix |
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Term
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Definition
| more than 700 microorganisms in mouth, some bacteria via fermentation of glucose, sucrose or simple carbs produce organic acids that put holes in the enamel of our teeth |
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Term
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Definition
aka THROAT no chemical changes of food take place here 3 parts, 5 in long -superior nasopharynx middle part oropharynx -inferior part larynopharynx |
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Term
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Definition
| 10 in tube, connects pharynx to stomach, esophagus to stomach via esophageal spincter, has skeletal muscle and moves via peristalsis, no chemical food changes take place |
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Term
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Definition
muscular contractions in walls of digestive organs that move food at appropriate rate through 30 ft of digestive tract. |
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Term
| muscle types in digestive tract |
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Definition
upper 3rd(mouth,esophagus and pharynx) =skeletal muscle lower 2/3 rds(stomach, small and large intestine, rectum and anus) smooth or visceral muscle |
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Term
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Definition
1st major organ of digestion, jshaped ~ 1 foot long, located in upper left quadrant of abdomen. 1st organ that has separate digestive enzymes for all three. works on food ~ 1-3 hrs (w/fat 2-6) major barrier prevents pathogens with HCL and gastric juice |
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Term
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Definition
| HCL pH ~ 1.5-2, very acidic |
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Term
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Definition
| non permanent circular folds macroscopic in inner lining of stomach, increase surface area |
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