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प्रश्न
Which one of the following pairs of types of teeth perform one common function as stated against it?
विकल्प
Incisors, canines - Holding
Canines, premolars - Biting
Premolars, molars - Grinding
Molars, incisors - Tearing
उत्तर
Premolars, molars - Grinding
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संबंधित प्रश्न
Write names of different parts of human digestive system and explain functions of any three parts.
Name the biological catalysts which bring about chemical digestion of food.
What is the function of enzymes in the human digestive system?
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.
How is thorough chewing of food helpful in digestion?
How is the liver an important organ in our body?
Define the following term:
Kilocalorie
Fill in the blank.
Molars are meant for _____ the food.
State one difference in nutrition: Holozoic and Saprozoic nutrition
In human beings, when the process of digestion is completed, the (i) proteins, (ii) carbohydrates and (iii) fats are respectively finally converted into ______.
