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lawrencem
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- a. mouth (oropharynx)
- b. esophagus
- c. large intestine (ascending colon)
- d. stomach (fundus)
- e. small intestine (duodenum)
- f. small intestine (illeum)
- g. rectum
- h. anus
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organs of the digestive system that are part of the alimentary canal
- pharynx
- esophagus
- stomach
- small and large intestines
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accessory organs of the digestive system
- salivary glands
- liver
- gallbladder
- pancreas
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three parts of the small intestine in order
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organ that absorbs water, fat adn water soluble vitamins and makes feces
large intestine (colon)
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smooth muscle contractions of the esophagus and intestines that propels food through the alimentary canal
peristalsis
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type of digestion done by chewing, peristalsis, churning and dehydration
mechanical
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type of digestion done by enzymes speeding up chemical reactions
chemical
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projections in the small intestine that increase surface area for absorption of nutrients
villi
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enzyme in the mouth and pancreas that speeds up the chemical breakdown of carbohydrates into disaccharides and monosaccharides
amylase
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enzyme in the stomach that speeds up the chemical breakdown of proteins into amino acids
pepsin
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enzyme in the small intestine that speeds up the chemical breakdown of proteins into amino acids
trypsin
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enzyme made by the liver, stored in the gallbladder and secreted into the small intestine to speed up the chemical digestion of lipids into fatty acids
bile
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factors that can denature enzymes
pH, high temperature, salt
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increasing substrate or enzyme concentration will affect enzyme activity in which way
increase
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adequate diet must include . . .
sufficient energy, essential fatty acids and amino acids, vitamins and minerals
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- a. trachea
- b. bronchus
- c. lung
- d. bronchioles
- e. diaphragm
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gas that we breath out to raise the blood pH
CO2 (carbon dioxide)
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where are vocal cords found
larynx
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cartilagenous structure that covers the opening to the larynx when you swollow
epiglottis
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small airsacs at the end of the bronchioles that allow for gas exchange
alveoli (s. alveolus)
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the diaphragm contracting causes . . .
enlarging of the thoracic cavity and inhalation
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the diaphragm relaxing causes . . .
constricting of the thoracic cavity and exhalation
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- a. Inspiratory Reserve Volume
- b. Expiratory Reserve Volume
- c. Residual Volume
- e. Vital Capacity
- g. Tidal Volume
- h. Total Lung Capacity
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two parts of brain that control breathing rate and depth
pons and medulla oblongata
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3 muscle that contract to breath in (inspiration)
- Diaphragm
- Sternocleidomastoid
- Pectoralis minor
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which 3 muscles contract to breath out (expiration)
- Rectus abdominus
- obliques
- Intercostal muscles
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