The partially digested food coming from the stomach of a person enters a long and narrow organ A in his body. The organ A receives the secretion of two glands: liver and pancreas. Liver secretes a greenish - yellow liquid B which is normally stored in the organ C. Pancreas secretes pancreatic juice which contains three digestive enzymes D, E and F. The intestinal juice completes the process of digestion of food. The inner wall of organ A has millions of tiny finger - like projections G which help in the rapid absorption of digested food into blood stream. The undigested part of food then passes into wider tube H which absorbs most of the water from undigested food. The last part of tube H called I stores this undigested food (or waste) for some time. The undigested food is then passed out though opening J as faeces in the process known as K.
- Name the organ A.
- Name liquid B and organ C.
- What are the digestive enzymes D, E and F?
- Name the projections G present on the inner wall of organ A.
- Name Tube H, Part I, Opening J and Process K.
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- The organ A is small intestine.
- Liquid B is bile and Organ C is gall bladder.
- The digestive enzymes D, E and F are Amylase, Trypsin and Lipase, respectively.
- The projections G are villi that are present on the inner wall of organ A.
- Tube H is the large intestine, Part I is the rectum, Opening J is the anus and The process K is egestion or defecation.
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