Please enable JavaScript.
Coggle requires JavaScript to display documents.
THE DIGESTIVE SYSTEM (PROCESS OF DIGESTION - FOOD IS BROKEN DOWN INTO…
THE DIGESTIVE SYSTEM
PROCESS OF DIGESTION
- FOOD IS BROKEN DOWN INTO MICROSCOPIC MOLECULES
MOUTH
- DIGESTION BEGINS
PHYSICAL BREAKDOWN BY TEETH
CHEMICAL BREAKDOWN BY ENZYMES IN THE SALIVA
GULLET / OESOPHAGUS
NO DIGESTION
- FOOD PASSED TO THE STOMACH
STOMACH
PHYSICAL BREAKDOWN BY MUSCLE CONTRACTION
CHEMICAL BREAKDOWN BY ENZYMES
SMALL INTESTINES
- DIGESTION ENDS
CHEMICAL BREAKDOWN BY THE ENZYMES PRODUCED BY THE PANCREAS
NUTRIENTS ARE ABSORBED IN THE BLOOD
ORGANS WHICH HELP DIGESTION WITHOUT FOOD ENTERING THEM
LIVER
- PRODUCES BILE
GALL BLADDER
- STORES BILE
PANCREAS
- PRODUCES ENZYMES WHICH HELP DIGESTION IN THE SMALL INTESTINES
ELIMINATION OF UNDIGESTED FOOD
LARGE INTESTINES
WATER IS ABSORBED BACK INTO THE BODY
KEPT CLEAN IF ENOUGH FIBRE IS EATEN. FIBRE IS NOT DIGESTED. IT ONLY ADDS BULK TO THE FOOD TO HELP THE MUSCLES OF THE INTESTINES PUSH FOOD.
RECTUM
STORES WASTE (UNDIGESTED FOOD)
ANUS
ELIMINATION OF WASTE - EGESTION
APPENDIX
DOES NOT HELP DIGESTION
ENZYMES WORK BEST IN ACIDIC CONDITIONS
ACID
PROTECTS THE DIGESTIVE SYSTEM FROM BACTERIA