THE PROCESS OF THE DIGESTIVE SYSTEM

LET'S FOLLOW A PIECE OF PIZZA ON ITS JOURNEY THROUGH THE DIGESTIVE SYSTEM

THE ESOPHAGUS IS A TEN INCH LONG TUBE THAT TAKES SECONDS FOR FOOD TO TRAVEL THROUGH THE STOMACH. PERASTALSIS BEGINS

THE STOMACH IS CHAMBER FOR STORAGE AND MIXTURE AND TURNS FOOD INTO CHYME WHICH IS SENDED TO SMALL INTESTINE

HELPS BREAK UP BLOBS OF FAT AND REMOVES TOXINS FROM DIGESTED FOOD.

HERE THE VILLI ABSORBS 95% OF THE NUTRIENTS IN FOOD. IT IS 16-20FT LONG

UNDIGESTED FOOD TRAVELS THROUGH LARGE INTESTINE, MUSCLES SQUEEZE AND RELAX TO PUSH WASTE THROUGH.

5-6INCH LONG TUBE AT THE END OF THE DIGESTIVE SYSTEM.

ABSORBS NUTRIENTS IN FOOD AND PASSES THEM THROUGH BLOOD STREAM.