A | B |
Liver | Produces bile AND stores excess glucose as glycogen AND interconverts macronutrients based on the body's needs |
Salivary glands | first source of amylase secreted into food |
Pancreas | second source of amylase secreted into the food and has endocrine and exocrine functions. |
Stomach | has gastric pits that secrete gastic juice |
Rectum | holds feces and triggers the defecation reflex |
Small intestine | contains glands which produce CCK and secretin; most nutrient aborption occurs here |
Gall bladder | holds bile and concentrates it |
Esophagus | moves food from the pharynx to the stomach |
mastication | process of chewing |
digestion | the breakdown of food molecules into their individual components |
deglutation | the act of swallowing |
peristalsis | process of contraction and relaxation of curcular smooth muscles which pushes food through the alimentary canal |
gastic juice | the acidi secretion of the stomach |
adventitia | thin layer of loose connective tissue that bines an organ to surrounding tissues or organs |
lumen | hole in the center of a tube |
macronutrients | the nutrients the body needs in large amounts: carbohydrates, fats, and proteins |
micronutrients | the nutrients the body needs in small amounts such as vitamins and minerals |