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प्रश्न
Where does the blood absorb oxygen in the human body?
उत्तर
Blood absorbs oxygen in the lungs. The exchange of gases takes place in the alveoli of lungs and the blood present in the blood capillaries surrounding the alveoli.
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संबंधित प्रश्न
Name the red pigment which carries oxygen in blood.
Name the type of respiration in which the end product is:
C2H5OH and CO2
Give one example where such a respiration can occur.
Describe the process of respiration in Amoeba. State whether it is anaerobic respiration or aerobic respiration.
What type of repiration takes place in yeast?
Which of the following is not produced during anaerobic respiration in unicellular fungus?
Which of the following increases in muscle cells when they are lacking in oxygen?
One of the following animals does not use tracheae as the respiratory organs. This animal is:
The breathing and respiration in woody stem of a plant takes place through:
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.
(a) What could be (i) X, (ii) Y, and (iii) Z?
(b) What is the process of converting sugar into substance Y by the action of X known as?
(c) What type of respiration is exhibited by X in the above process?
Answer this question.
Name the organ of respiration in fishes.
Answer the following in one word.
What is the muscular sheet below the lungs called?
Answer the following in detail.
How is the process of cellular respiration different from breathing?
Choose the odd one out in the following groups of four items each:
Trachea, Bronchus, Alveolus, Diaphragm
Choose the odd one out in the following groups of four items each:
Ethyl alcohol, Carbon dioxide, Starch, Oxygen
Choose the odd one out in the following groups of four items each:
Diffusion, Respiratory gases, Alveoli, Capillary network
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Alveoli and _____________.
Given below is an overall chemical reaction of a certain process:
C6H12O6→LacticAcid+2ATP+Heat enengy
Name one tissue in which this reaction occur.
Respiration refers to ____________.
Observe Figure 10.2 carefully and answer the following questions.
- Which process is being tested in the activity?
- What is the result of the activity? Give reasons.
