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Digestive Level 1

All the vocabulary for Level 1 of the Digestive system menu.

TermDefinition
nutrients "Compounds found in the environment that living organisms need to grow and survive. The 6 types are water
digestion A process that breaks down the foods that we eat into molecules small enough to be absorbed (taken in) by cells. It can be mechanical or chemical.
peristalsis The squeezing muscle movements that move food through the organs of the digestive system.
enzyme "A chemical that speeds up chemical reactions in the body
chyme The watery mixture of food and gastric juices in the stomach.
chemical digestion "The process of digesting (breaking down) food
mechanical digestion "The physical breakdown of food into smaller pieces
mouth The place where mechanical AND chemical digestion begins. Mechanical: teeth cut and chop food. Chemical: enzymes in saliva start to digest starch.
esophagus The tube that leads from the mouth to the stomach.
stomach The pouch-like muscular organ where food gets mixed with gastric juices and churned into a watery paste called chyme. Both mechanical and chemical digestion occur here.
small intestine "The organ where chemical digestion occurs
large intestine "The organ where water is removed from the nutrient-free chyme
rectum The organ where feces is stored before being removed from the body through the anus.
pancreas The accessory organ that produces enzymes for use in the small intestine.
liver The accessory organ that produces bile for use in the small intestine.
gall bladder The accessory organ that produces enzymes for use in the small intestine.
Hydrochloric acid A strong acid found in gastric juices that helps break down food and kill bacteria.
feces The material leftover after the large intestine removes the water from the digested chyme.
Created by: OMSscience8