Digestive System, Digestive system

These words review the important functions and structures of the digestive system.
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stomach
An organ of the digestive system where most mechanical breaking down of food happens
esophagus
A muscular tube that connects the mouth to the stomach.
large intestine
Absorbs water and forms feces
liver, gallbladder, pancreas
organs that create chemicals that help the small intestines break down food
Liver
makes bile, breaks down and eliminates toxins, such as nitrogen containing compounds
mouth
where digestion begins
small intestine
Long hollow tube where most absorption of nutrients occurs
pancreas
An organs in the abdominal cavity with two roles. The first is to produce digestive enzymes . The second is to secrete insulin into the bloodstream to help regulate blood glucose levels.
gall bladder
An organ that stores bile and releases it as needed into the small intestine
digestion, absorption, elimination
functions of digestive system in 3 words
rectum
stores solid waste and compresses into more solid form
chemical digestion
breaking down food with enzymes
mechanical digestion
crushing, mashing or breaking down food into smaller pieces
colon
another name for the large intestine
duodenum
first part of small intestine
chyme
thick slippery paste of food molecules
carbohydrase
enzyme that breaks down starches into sugars
hydrochloric acid
kills bacteria in stomach and gives an acidic environment for enzymes to work
villi
fingerlike projections in the small intestine that increase surface area
pharynx
throat
peristalsis
involuntary squeezing action of the muscles in the digestive system; causes food to move through
epiglottis
flap of tissue that covers the trachea when swallowing food
bacteria
organisms found in the large intestine that help with digestion of solid matter
salivary gland
production of saliva
pepsin
an enzyme that converts protein into amino acids
lipase
an enzyme that converts fats (lipids) into fatty acids and glycerol
faeces
Solid waste eliminated by the anus
fibre
crucial for bulking up food for efficient digestion
water
crucial for overall digestive function
vitamins and minerals
essential for healthy cell function
carbohydrate
our primary source of energy in food
protein
for growth and repair of tissue
fats
for insulation and secondary energy source
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