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प्रश्न
Which systems work together to provide the body with energy?
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उत्तर
The lungs, the heart, the stomach, the intestines, the brain all of these internal organs work together to provide energy.
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संबंधित प्रश्न
Which part of the digestive canal is involved in:
Killing of bacteria ______.
In which part of the digestive system is water absorbed?
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.
What is the function of rectum?
What are the main characteristics of enzyme?
Name the three regions of the large intestine.
Answer in detail.
What changes occur in food in the mouth?
State whether true or false. If false, correct the statement.
During digestion, proteins are broken down into amino acids.
What is chyme?
The complete digestion and absorption of nutrients is done by the small intestine. Which of the following greatly enhances the process of absorbtion?
