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प्रश्न
What are the major organs of respiratory system in man (or humans)?
उत्तर
The major organs of respiratory system in a human being are nose, nasal passage, trachea, bronchi, lungs and diaphragm.
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संबंधित प्रश्न
What are the differences between aerobic and anaerobic respiration? Name some organisms that use the anaerobic mode of respiration.
List the differences between aerobic and anaerobic respiration.
The trachea divides into tow tubes at its lower end. What is the name of these tubes?
Fill in the following blank with suitable word:
The organs of respiration in man are the _____________.
Why do the walls of trachea not collapse when there is less air in it?
One of the following animals does not use tracheae as the respiratory organs. This animal is:
In cockroaches, air enters the body through:
There is a pair of bean-shaped organs P in the human body towards the back, just above the waist. A waste product Q formed by the decomposition of unused proteins in the liver is brought into organ P through blood by an artery R. The numerous tiny filters S present in organ P clean the dirty blood by removing the waste product Q. The clean blood goes into circulation through a vein T. The waste substance Q, other waste salts, and excess water form a yellowish liquid U which goes from organ P into a bag-like structure V through two tubes W. This liquid is then thrown out of the body through a tube X.
(a) What is (i) organ P, and (ii) waste substance Q?
(b) Name (i) artery R, and (ii) vein T.
(c) What are tiny filters S known as?
(d) Name (i) liquid U (ii) structure V (iii) tubes W, and (iv) tube X.
Answer the following in one word.
What is the muscular sheet below the lungs called?
Tick the most appropriate answer.
The products of respiration are :
Name the body structure concerned with the given functional activity:
Combines with the oxygen in the lungs.
List the organs of Human respiratory system.
Answer the following question.
In the experimental set up to show that "CO2 is given out during respiration", name the substance taken in the small test tube kept in the conical flask. State its function and the consequence of its use.
Answer the following question.
How is O2 and CO2 transported in human beings?
Name the organs that bring about respiration.
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?
How does aerobic respiration differ from anaerobic respiration?
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.
