Fun Facts on Digestion Stomach growling Intestines contracting

Fun Facts on Digestion • Stomach growling? ? ? – Intestines contracting. • Burping or a “little flatulence”? ? ? – trapped gas and air from bacteria. • Every person eats @3 lbs of food / day – 1095 lbs of food / year!!!!! • Entire digestive system is 30 ft long!!! • You produce 1 qt of saliva / day!!!

“Chewing your cud” – How many stomachs does a cow have? ? – 4 !!!! What organ is attached to your large intestines and has no known purpose? ? ? Your appendix

Digestive System Digestion – the chemical and mechanical breaking down of food into something the cells can use. Kidshealth

Major Organs & Functions • • • Mouth Esophagus Stomach Small Intestines Large Intestines / colon Rectum & Anus • Liver • Gall Bladder • Pancreas

Mouth – Beg inning of digestion. -Mechanical Digestion begins with tongue and teeth. MOST mechanical digestion tak es place here. -Chemical Di gestion begins with saliva breaking dow n starch to sugar. Saltine Crackers

• Epiglottis – flap of cartilage – closes trachea (windpipe) when swallowing – food travels down esophagus • Peristalsis – involuntary muscle contractions to move food along

Esophagus - carries chewed food to the stomach. *Peristalsis – muscle contractions that push the food down the tube. stomach - secrete HCl (hydrochloric acid) & pepsin to help with chemical digestion. Mechanical digestion also takes place here with the churning.

Liver - have over 500 functions!!! - produces bile to help digestion fat. gall bladder - storage tank for the bile. Pancr enzym eas - secr etes es to help b down reak food in the sm. intest ines

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Villi – Found in small intestines to absorb nutrients and water.

large intestines / colon. Water is absorbed here & enters the bloodstream. The remaining is prepared to leave the body as waste. rectum and anus– a short tube and opening where solid waste is stored and eliminated from the body.

Interactive

Which type of digestion is the following? 1. Chewing a saltine? 2. Saliva breaking the saltine down into molecules of glucose? 3. Your tongue breaking pieces of a hamburger apart? 4. Pepsin (an enzyme) & HCl in your stomach breaking the hamburger into amino acids?

Journey Thru the Digestive System Of a Toddler

21 Minutes