digestive system + nuitrients Flashcards
what is Carbs
the main source of energy
What is Fat?
insolates and protects organs
what is Protein
recover and repair
what are Vitamines
helps with body functions
What are minerals?
simple chemical elements that make nerves
what is the order of digestion?
Injection
Digestion
Absorption of nutrients
Elimination of substances that haven’t been absorbed
what does the mouth do
saliva helps to transform the complex molecules in carbohydrates into simpler molecules (chemical transformation) and masticate (chew physical transformation)
what does the esophagus do
contractions called peristalsis (physical transformation)
what does the stomach do
store,break down and empty. The stomach is like a mixer, churning and mashing together all the small balls of bolus that come down the esophagus into smaller and smaller
what does the small intestine do
breaks down carbs from pancreas, the liver gland secretes bile which is stored in the gallbladder and emulsifies fats ( separates fats from water) (physical transformation)
what does the large intestine do
where most water vitamins and minerals are absorbed into the bloodstream.