Q. 283.7( 3 Votes )
Label the following parts in Figure 2.2 and name them.

(a) The largest gland in our body.
(b) The organ where protein digestion starts.
(c) The organ that releases digestive juice into the small intestine.
(d) The organ where bile juice gets stored.
Answer :
(a) Liver is the largest gland of the human body.
(b) Digestion of protein starts in the stomach of human body.
(c) Pancreas is the organ that releases digestive juices into the small intestine.
(d) Liver produces bile juice which gets stored in the gallbladder which is then released in the small intestine for the emulsification of fat molecules.
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PREVIOUSRead the following passage carefully and answer the questions that follows it. Bile juice is stored in a sac called, gall bladder, located near its organ of secretion, liver. The gall bladder releases the bile juice into the small intestine whenever food reaches there. Though bile juice is devoid of any digestive enzymes, it is required for the digestion of fats. The fats cannot be digested easily because they are insoluble in water and are present as large globules. Bile juice breaks down big fat droplets into smaller droplets. These are then easily digested by the enzymes released from the pancreas.(a) Which organ secretes the bile juice?(b) Why is digestion of fats difficult as compared to that of other nutrients?(c) How does bile juice help in digestion of fat?(d) Where is the digestion of fat completed?(e) Does bile juice digest fat completely?NEXTOpen your mouth, look into a mirror and try to count the different types of teeth in your mouth. Compare them with Figure 2.3 on page 13 of your NCERT textbook. Record your observations in the table below:(a) Did you observe any difference in the number of teeth? If yes, could you identify which type of teeth showed the difference?(b) Compare the number and type of teeth in an adult (say your parents or cousins who have reached the age of 25–30 or more). Note your observation.
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