explain digestive system in points
Answers
Answer:
After we swallow, our food passes through these organs in turn:
oesophagus or gullet
stomach
small intestine
large intestine
Stages of digestion
Different things happen to food as it passes through the digestive system:
food is digested in the mouth, stomach and small intestine
digested food is absorbed into the bloodstream in the small intestine
excess water is absorbed back into the body in the large intestine
any undigested food passes out of the anus as faeces when we go to the toilet
Liver and pancreas
The liver and the pancreas play an important part in digestion. The liver produces bile, which helps the digestion of lipids (fats and oil). The pancreas produces biological catalysts called digestive enzymes which speed up the digestive reactions.
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