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प्रश्न
Name the body structure concerned with the given functional activity:
Provides actual diffusion of respiratory gases in the lungs.
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उत्तर
Alveoli or air sacs
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संबंधित प्रश्न
Given below are the end products of different reactions involving glucose.
Write the reaction number in front of the following:
(i) Anaerobic reaction =
(ii) Reaction in the human muscles =
(iii) Aerobic respiration =
(iv) Reaction in the plant cells =
(v) Reaction in the liver
Mention any two components of blood.
What would happen if all the green plants disappear from the earth?
Explain why, a land plant may die if its roots remain waterlogged for a long time.
What type of respiration takes place in human muscles during vigorous physical exercise? Give reason for your answer
Give the main points of difference between respiration in plants and respiration in animals.
Describe the exchange of gases which takes place in the leaves of a plant
(a) during daytime, and (b) at night.
Fill in the following blanks with suitable words:
The ___________ blood cells make antibodies whereas ___________ blood cells help in respiration.
Veins and arteries carry blood. Which of these carry blood back to the heart?
Given below is an example of a certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Pleura and _____________.
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
'C' shaped cartilage rings and ____________.
Match the items in Column A with those in Column B.
|
Column A |
Column B |
|
Cartilaginous |
Epiglottis |
|
Large surface area |
Diaphragm |
|
Breathing movements |
Bronchi |
|
Voice |
Alveoli |
|
Complemental air |
Larynx |
|
Swallowing |
Extra inhalation |
Answer the following question.
A gas is released during photosynthesis. Name the gas and also state the way by which the gas is evolved.
Name the organs that bring about respiration.
Air that enters through the nose passes into this tube.
The major fraction of CO2 released during cellular respiration is transported by the blood to the lung capillaries ______
Lack of oxygen in muscles often leads to cramps among cricketers. This results due to:
Which of the following is an incorrect statement?
Yeast is used in wine and beer industries because it respires ______.
During the process of exhalation, the ribs move ______.
