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प्रश्न
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Epiglottis and _____________.
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उत्तर
Epiglottis and guard of entrance to trachea.
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संबंधित प्रश्न
How are the lungs designed in human beings to maximize the area for exchange of gases?
How are the alveoli designed to maximise the exchange of gases?
Where in the lungs does gas exchange take place?
In the lungs what substance is taken into the body?
During respiration, the plants take CO2 and release O2.
Why do fishes die when taken out of water?
Why is diffusion insufficient to meet the oxygen requirements of large multicellular organisms like humans?
Which of the following increases in muscle cells when they are lacking in oxygen?
Which of the following statements are true about respiration?
(i) during inhalation, ribs move inward and diaphragm is raised.
(ii) the gaseous exchange takes place in the alveoli.
(iii) haemoglobin has greater affinity for carbon dioxide than oxygen.
(iv) alveoli increase surface area of the exchange of gases
The two organisms which breath only through their moist skin are:
Fill in the following blanks with suitable words:
The ___________ blood cells make antibodies whereas ___________ blood cells help in respiration.
An animal in which the oxygenation of blood does not take place in the lungs is:
Answer the following in short.
Define respiration.
Choose the odd one out in the following groups of four items each:
Ethyl alcohol, Carbon dioxide, Starch, Oxygen
Sometimes we get painful cramps in our leg muscles after running for a long time due to the accumulation of:
What is common between extensive network of blood vessels around walls of alveoli and in glomerulus of nephron?
Which of the following equations is the summary of photosynthesis?
Name the energy currency in the living organisms. When and where is it produced?
Explain the three pathways of breakdown in living organisms.
Observe the figure carefully and answer the following questions.
- Which process is being tested in the activity?
- What is the result of the activity? Give reasons.
