1. what are the 2 major functions of hydrochloric acid (hcl)?
2. what organ does this occur in?
3. what is the source of its release

1. kills bacteria; destroys pathogens
2. stomach
3. parietal cells

carbohydrates (starch) 

1. name the 2 enzymes that chemically digest carbs
2. name the 2 locations where each of these digestions occurs

1. salivary amylase and pancreatic amylase
2. mouth and small intestine

lipids

1. what does "emulsifies fat" mean?: breaks down lrg globules of fat into tiny droplets
2. name substance that emulsifies fat: bile
3. where is it produced/secreted: liver
4. where is it stored: gallbladder
5. name enzyme that continues fat digestion by breaking fat molecules down into fatty acids: lipases
6. where is this enzyme secreted: small intestine

proteins

1. enzyme that digests proteins: pepsin
2. another name for pepsin: protease
3. where is it secreted: gastric glands
4. what substance helps this enzyme digest proteins: HCL

nucleic acids

1. enzyme that chemically digests nucleic acids: nuclease
2. where is this enzyme secreted: pancreas

pancreas

1. releases digestive enzymes into sm intestine
2. provides most enyzmes secreted into upper end of sm intestin
3. secretes neclease to digest nucleic acids
4. secretes amyulase to digest carbs

liver

1. produces bile which emulsifies fat
2. absorbs nutrients
3. removes sugar from blood
4. synthesis blood protein

the kidneys play a major role in maintaing homeostasis by...

• removing urea, water and other wastes from blood

ammonia is converted to urea because...

• urea is less toxic to the body