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प्रश्न
Name the body structure concerned with the given functional activity:
Protects the lungs from mechanical injury
उत्तर
Ribs
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संबंधित प्रश्न
What is the name of the extensions of the epidermal cells of a root which help in respiration?
Fill in the following blank with suitable word:
The actual exchange of gases takes place in the ___________ of the lungs.
Describe the process of respiration in the following part of a plant:
Stem
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Which of the following is correct for the process of anaerobic respiration?
| Carbon dioxide always produced | A lot of energy released | |
| (a) | No | Yes |
| (b) | No | No |
| (c) | Yes | No |
| (d) | Yes | Yes |
When air is blown from mouth into a test-tube containing lime water, the lime water turns milky due to the presence of:
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Which of the following statements are correct?
(i) pyruvate can be converted into ethanol and carbon dioxide by yeast
(ii) fermentation takes place in the case of aerobic bacteria
(iii) fermentation takes place in mitochondria
(iv) fermentation is a form of anaerobic respiration
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During marathon, we sometimes get painful contractions of leg muscles due to the accumulation of one of the following in leg muscles. This is:
Some sugar solution is taken in a test-tube and a little of substance X in powder form is added to it. The mouth of test-tube is closed with a cork and allowed to stand for sometime. On opening the cork, a characteristic smell of substance Y is obtained and a gas Z is also observed to be formed. The gas Z extinguishes a burning matchstick.
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(b) What is the process of converting sugar into substance Y by the action of X known as?
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____________ refers to a biochemical process of oxidation of organic compounds in an orderly manner for the liberation of chemical energy in the form of ATP.
Respiration refers to ____________.
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______ refers to the physical process by which gaseous exchange takes place between the atmosphere and the lungs.
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- Does the person need to be kept on artificial respiration temporarily or permanently?
- From where can the person get supply of oxygen for artificial respiration?
