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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
What advantage over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration?
Name one substance which is produced in anaerobic respiration by an organism but not in aerobic respiration.
Which part of roots is involved in the exchange of respiratory gases?
Name the process by which plant parts like roots, stems, and leaves get oxygen required for respiration.
What is the name of the extensions of the epidermal cells of a root which help in respiration?
Out of photosynthesis and respiration in plants, which process occurs:
(a) all the time?
(b) only at daytime?
Name two animals which breathe through gills.
What is the function of the respiratory system?
During respiration, the exchange of gases takes place in:
Which of the following is the correct sequence of air passage during inhalation?
(a) nostrils → larynx → pharynx → trachea → lungs
(b) nasal passage → trachea → pharynx → larynx → alveoli
(c) larynx → nostrils → pharynx → lungs
(d) nostrils → pharynx → larynx → trachea → alevoli
Lack of oxygen in muscles often leads to cramps in the legs of sprinters. This is due to the conversion of pyruvate to:
One of the following animals does not use tracheae as the respiratory organs. This animal is:
Veins and arteries carry blood. Which of these carry blood back to the heart?
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.
State one function of the following:
Intercostal muscles
State one function of the following:
Pleural fluid
List the organs of Human respiratory system.
Define respiration.
Complete the analogy.
Transport of CO2 by plasma : 7% :: Transport of CO2 by bicarbonate ions: ____________.
____________ is necessary for the respiration in plant.
