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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
What are the different ways in which glucose is oxidized to provide energy in various organisms?
The trachea divides into tow tubes at its lower end. What is the name of these tubes?
Name the red pigment which carries oxygen in blood.
Explain why, a land plant may die if its roots remain waterlogged for a long time.
Describe the process of respiration in Amoeba. State whether it is anaerobic respiration or aerobic respiration.
What is meant by aquatic animals and terrestrial animals?
What are the major organs of respiratory system in man (or humans)?
Which contains more carbon dixoide : exhaled air or inhaled air? Why?
Which of the following statements are correct?
(i) pyruvate can be converted into ethanol and carbon dioxide by yeast
(ii) fermentation takes place in the case of aerobic bacteria
(iii) fermentation takes place in mitochondria
(iv) fermentation is a form of anaerobic respiration
With which human organ system (or human systems) is alveoli associated?
Tick the most appropriate answer.
The products of respiration are :
A student has set up "CO2 is released during respiration”. After about 1 hour he observes no change in the water level in the delivery tube. Write two possible resons for the failure of the experiment.
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 each of the following groups of four items each:
Oxyhaemoglobin, Carbaminohaemoglobin, Hypoxia, Carboxyhaemoglobin
State one function of the following:
Diaphragm
State one function of the following:
Pleural fluid
Answer the following question.
A gas is released during photosynthesis. Name the gas and also state the way by which the gas is evolved.
Glycolysis process occurs in which part of the cell?
The oxygen dissociation curve is a sigmoid curve and it shifts towards the right due to ______.
