Give reasons for : (i) People climbing t...

Give reasons for : (i) People climbing to high altitudes may suffer from dizziness and unsteady vision. (ii) Lime water is used in most experiments on respiration. (iii) Respiration rate is higher in animals than in plants.

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ICSE-THE RESPIRATORY SYSTEM-PROGESS CHECK

Given below is the definition of respiration with a few blanks to be f...
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Write the overall chemical equation representing the above definition ...
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In what form is the energy released during respiration stored?
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Give two examples of life activities which need energy.
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Strenuous physical exercise may cause fatigue due to accumulation of C...
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No CO2 is produced in anaerobic respiration in the human body.
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Breathing and gaseous transport are one and the same thing.
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CO2 is transported to the lungs by the blood in two forms: as bicarbo...
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Tissue respiration means chemical changes occurring inside the cell.
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Match the items in Column with those in Column II.
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How do the following contribute in inspiration during breathing? (i) R...
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Match the lung capacities in Column I with the quantities given in Col...
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Mention any two points of difference in the quality of inspired and ex...
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Give reasons for : (i) People climbing to high altitudes may suffer fr...
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Given alongside is an experiment intended to demonstrate the action of...
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