digestive & excretory systems Flashcards
salivary amylase
contained in the saliva, begin to break down starch
esophagus
contractions push food from here, to stomach
stomach
in here, food is mixed with gastric acid and pepsin which break down protein
small intestine
most digestion takes place here. 23 feet on average. here the food is broken down in the pancreas and liver
pancreas
produces acids which contain lipase, which converts fats to glycerol and fatty acids
pancreatic amylase
breaks down complex carbs to sugars
trypsin
converts polypeptides to amino acids
bile
produced by the liver, aids in digestion by emulsifying fat
large intestine (colon)
water and minerals remaining in the waste matter are absorbed into the body
kidneys
filter chemical waste from blood
ureters
urine is transported to the bladder from the kidneys by these
rectum
solid waste matter is stored here
bladder
liquid waste is stored here
anus
releases solid waste
urethra
releases urine