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प्रश्न
The process by which the body removes waste is called ______.
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उत्तर
The process by which the body removes waste is called Excretion.
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संबंधित प्रश्न
Which part of the digestive canal is involved in:
Formation of faeces ______.
If the teeth are not cleaned regularly, they become covered with a sticky yellowish layer W of food particles and bacteria. Since layer W covers the teeth, the alkaline liquid X secreted by glands Y inside the mouth cannot reach the teeth surface to neutralise the acid formed by the action of organisms Z on sugary food, and hence tooth decay sets in.
(a) What is W known as?
(b) What is (i) X, and (ii) Y?
(c) What are organisms Z?
(d) State one way of removing layer W from the teeth.
Write True or False in the following statement
Molars help in cutting and tearing food.
Write true or false for the below statement. Rewrite the false statements correctly.
Digestion of food in the intestine takes place in the presence of dilute hydrochloric acid.
Answer in detail.
Liver does not secrete any enzymes yet it helps indigestion. How?
State one difference in nutrition: Parasite and Saprophyte
Name the types of teeth in human with functions.
Mark odd one in the series:
Eating fast-food ad junk food affects our health. Justify.
Write any two functions of digestive system.
