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Digestion - Coggle Diagram
Digestion
How does our body digest food?
Digestive system digests food into smaller substances
digestion starts in the>>>
mouth
-digests proteins
small intestine
-absorbs digested food, water and mineral salts
stomach
-produces acid that kills bacteria
-digests carbonhydrates, proteins and fats
-digests carbonhydrates
Produces enzymes that speed up the digestion of the food
Why do we need food?
-source of energy for our body to do work
-source of nutrients for our body to build new cells and repair damaged or worn-out cells
undereating
-lack of energy and nutrient -growth
overeating
-increased risk of diabetes and heart disease -obesity
How does our body get energy from digested food
digestive system