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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. (A) Name the Organ A. (B) Name (I) Liquid B, and (Ii) Organ C. (C) What Are the Digestive Enzymes D, E and F? (D) Name the Projections G Present on the Inner Wall of Organ A. (E) Name (I) Tube H (Ii) Part I (Iii) Opening J, and (Iv) Process K. - CBSE Class 10 - Science

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Question

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.

(a) Name the organ A.

(b) Name (i) liquid B, and (ii) organ C.

(c) What are the digestive enzymes D, E and F?

(d) Name the projections G present on the inner wall of organ A.

(e) Name (i) tube H (ii) part I (iii) opening J, and (iv) process K.

Solution

(a) The organ A is small intestine.

(b) (i) Liquid B is bile and (ii) organ C is gall bladder.

(c) The digestive enzymes D, E and F are amylase, trypsin and lipase, respectively.

(d) The projections G are villi that are present on the inner wall of organ A.

(e) (i) Tube H is the large intestine, (ii) part I is the rectum, (iii) opening J is the anus and (iv) the process K is egestion or defecation.

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Solution 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. (A) Name the Organ A. (B) Name (I) Liquid B, and (Ii) Organ C. (C) What Are the Digestive Enzymes D, E and F? (D) Name the Projections G Present on the Inner Wall of Organ A. (E) Name (I) Tube H (Ii) Part I (Iii) Opening J, and (Iv) Process K. Concept: Nutrition - Nutrition in Human Beings.
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