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Question
Define the following term :
Pylorus
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Solution
Pylorus is the passage at the lower end of the stomach that opens into the duodenum.
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| 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. |
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- Name (i) liquid B, and (ii) organ C.
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- Name (i) tube H (ii) part I (iii) opening J, and (iv) process K.
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(i)______ and (ii)______ form the common bile duct.
Digestion of starch begins in the ______.
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Cellulose-rich food substances are good source of roughage in human beings because ______.
Digestion of food starts in ______ and gets completed in ______.
Urea is a main excretory product in humans. How is it formed?
