Studied by 4 people
scurvy
A condition caused by a lack of vitamin C.
function of the digestive system?
mechanical and chemical breakdown of food and the absorption of nutrients
Mucosa
protects tissues and carries absorption
Submucosa
glands, blood vessels, nerves
Muscular Layer
smooth muscle, pushes food
Serosa
lubricates surfaces
Villi
increase surface area for absorption of nutrients.
Peristalsis
pushes food down the tube
AMYLASE
enzyme breaks down starch into sugars
Mucus cells
break down food, lubrication during swallowing
Mucus
prevents stomach from digesting itself
Chief cells
secrete Pepsin. Parietal cells secrete HCl
PEPSIN
most important digestive enzyme for breaking down food
Chyme
paste, after food has been broken down, released then into the duodenum via the pyloric sphincter valve
PANCREAS
secretes insulin which breaks down sugars. Pancreatic Juice also breaks down fat
Note
Flashcard