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प्रश्न
What is the function of the respiratory system?
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उत्तर
The main function of the respiratory system is to breathe in oxygen for respiration and to breathe out carbon dioxide, and to provide energy to the body by the breaking down the food particles.
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संबंधित प्रश्न
Trace the movement of oxygenated blood in the body.
Which of the following is the correct statement regarding bile?
Name the process by which plant parts like roots, stems, and leaves get oxygen required for respiration.
Name two animals which breathe through gills.
Where does the blood absorb oxygen in the human body?
Which of the following is not produced during anaerobic respiration in unicellular fungus?
Internal respiration may be defined as:
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
Which of the following is most likely to have a much higher breathing rate?
There are five animals P, Q, R, S and T. The animal P always lives in water and has gills for breathing. The animal Q can stay in water as well as on land and can breathe both, through moist skin and lungs. The animal R lives in soil and breathes only through its skin. The animal S lives on land and breathes through spiracles and tracheae. And animal T lives in water and breathes through its cell membrane.
(a) Which of the animals could be Amoeba?
(b) Which of the animals could be frog?
(c) Which animal could be fish?
(d) Which animal could be grasshopper?
(e) Which animal could be earthworm?
Out of xylem and phloem, which one carries materials upwards as well as downwards?
Tick the most appropriate answer.
The products of respiration are :
Name the body structure concerned with the given functional activity:
Protects the lungs from mechanical injury
State one function of the following:
Mitochondria
Give suitable explanation for the following :
Why does a person feel breathlessness at higher altitudes?
Given below is an overall chemical reaction of a certain process:
C6H12O6→LacticAcid+2ATP+Heat enengy
Name one tissue in which this reaction occur.
Draw a diagram of the human respiratory system and label - pharynx, trachea, lungs, diaphragm and alveolar sac on it.
Air that enters through the nose passes into this tube.
What percent of oxygen is transported in a dissolved state by the plasma?
