| A | B |
|---|
| mechanical digestion | breaking food into smaller pieces |
| chemical digestion | breaking nutrients into small molecules |
| chemical digestion is speeded up by | enzymes- hydrolases |
| digestive system is composed of a tube called | the alimentary canal |
| the digestive system is also made up of | accessory organs |
| mechanical digestion increases | the surface area allowing which makes it easier to digest & swallow |
| salivary glands release saliva which contains | the enzyme amylase |
| amylase breaks down starch into | monosaccarides & disaccharides |
| pharynx | throat |
| esophagus | windpipe |
| epiglottis | prevents food from enetering the respiratory system |
| food is passed to the stomach by muscular contractions called | peristalsis |
| the lining of the stomach releases | gastric juices |
| gastic juices are made up of | hydrochloric acid |
| proteases | protein digesting enzymes |
| the environment of the stomach is | acidic |
| the Ph of the stomach is | 2 |
| cells in the stomach lining secrete | mucus |
| bolus | chewed up food |
| chyme | soupy food in the stomach |
| chyme is released into | the small intestine through the pyloric sphincter |
| most of digestion & nutrient absorbtion takes place in the | small intestine |
| the liver produces | bile |
| bile is stored in the | gallbladder |
| the pancreas supplies | enzymes needed for digestion |
| the small intestines are lined with | villi |
| undigested food goes to the | large intestine |
| the lrg intestine & the colon are responsible for | reabsorbing water that has entered the alimentary canal |
| feces are stored in the | rectum |
| egestion | elimination from the body |
| diarrhea is a result of feces moving thru the colon too quickly because of | water not being reabsorbed |
| constipation results in too little | peristalsis & too much absorbtion of water |
| lipids are | fats |
