science

• food - nourishing substance
• nutrients - provide energy
• digestive system - digestion and absorption of food
• digestive tube -where it gets digested
• metabolism - cells use the energy
• oral cavity - the entry point of food
• ingestion - first stage of digestion
• mastication - the teeth break, cut food
• bolus - starchy ball foood
• pharynx - connects the mouth to the esophagus
• epiglottis - the flap of the pharynx
• esophagus - muscular tube
• peristalsis - involuntary muscular contractions
• stomach - expandable organ
• hydrochloric acid - strong acid
• chyme - semi liquid food
• small intestines - absorption of food nutrients
• pancreas - long, narrow gland
• liver - largest organ of the body
• bile - yellowish brown fluid
• gallbladder - green pear shaped sack
• large intestine - shorter than but wider than small intestine
• rectum - storage organ of undigested food
• anal sphincter - controls the realeasing of stool