Modeling Digestion

secrete saliva and start the breakdown of carbohydrates

remove water

absorb nutrients

break down food into smaller pieces and start the breakdown of proteins

mechanical digestion

chemical digestion

esophagus

stomach

mouth

small intestine

carbohydrate

lipids

proteins

nucleic acids

amylase

pepsin

sucrase

lipase

stomach

small intestine

pancreas

mouth

to break down carbohydrates

to break down lipids

to break down nucleic acids

to break down proteins

gallbladder

small intestine

large intestine

pancreas

to break down lipids

to break down proteins

to break down nucleic acids

to break down carbohydrates

to break down lipids

to break down proteins

to break down nucleic acids

to break down carbohydrates

pancreas

gallbladder

small intestine

spleen

to break down lipids into fat droplets

to break down disaccharides into monosaccharides

to break down secondary protein structures into primary structures

to break down nucleic acids into nucleotides

bile

villi

bolus

chyme