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प्रश्न
List the organs of Human respiratory system.
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उत्तर
(ii) pharyns,
(iii) larynx
(iv) the trachea
(v) lungs
(vi) diaphragm
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संबंधित प्रश्न
The exchange of respiratory gases in the cells of plants occurs by the process of _______________
(a) Osmosis
(b) Diffusion
(c) Glycolysis
(d) exhalation
Name the pores in a leaf through which respiratory exchange of gases takes place.
Explain why, when air is taken in and let out during breathing, the lungs always contain a residual volume of air.
From where do the aquatic animals and terrestrial animals obtain oxygen for breathing and respiration?
What are the major organs of respiratory system in man (or humans)?
Give the main points of difference between respiration in plants and respiration in animals.
Which contains more carbon dixoide : exhaled air or inhaled air? Why?
What type of repiration takes place in yeast?
Why is diffusion insufficient to meet the oxygen requirements of large multicellular organisms like humans?
A, B and C are three living organisms. The organism A is a unicellullar fungus which can live without air. It is used in the commercial production of an organic compound P from molasses. The organism B is a unicellular animal which lives in water and feeds and moves by using pseudopodia. It breathes through an organelle Q. The organism C is a tiny animal which acts as a carrier of malarial parasite. It breathes and respires through a kind of tiny holes R and air-tubes S in its body.
(a) What are organisms (i) A (ii) B, and (iii) C?
(b) Name (i) P (ii) Q (iii) R, and (iv) S.
(c) Which organism/organisms undergo aerobic respiration?
(d) Which organism/organisms undergo anaerobic respiration?
What is the name of tissues which transport:
water and minerals in a plant?
It has been found that people living in very high mountains have many more red corpuscles in their blood than people living in plains. Which one of the following best accounts for this phenomenon?
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.
Epiglottis 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.
Diaphragm and _____________.
Differentiate between the following pairs on the basis of the aspect given in the brackets.
Tidal volume and Residual volume (Quantity of air)
Rewrite the following statement by selecting the correct option.
During respiration, ____________ gas is given out.
Respiration refers to ____________.
With which of the following haemoglobin combines to form carboxyhaemoglobin?
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.
