DIGESTIVE SYSTEM ADD INFO Flashcards
process of digestion
ingestion, digestion, absorption, and elimination
4 major biological molecules
carbohydrates, lipids, nucleic acids, and proteins
biomolecules-salivary amylase break down what biological molecule?
carbohydrates
2 types of digestion
chemical digestion and mechanical digestion
physically breaking food down (teeth)
mechanical digestion
it counteract acidity in mouth and help prevent tooth decay
buffers of saliva
the formation of food after mechanical digestion and also with the help of saliva and tongue
bolus
blocks windpipe (trachea) during act of swallowing food or liquid
epiglottis
wave-like movement made by smooth muscles in the esophagus
peristalsis
an adult human stomach can store how much of food and liquid?
2 liters
it contains gastric juices (HCl) and enzymes
stomach
pepsin breakdown what
proteins
substance after chemical and mechanical digestion in the stomach
chyme
separates the esophagus from the stomach and also between the stomach and small intestine
sphincter
inner surface of the stomach lined by a mucous membrane known as?
gastric mucosa