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प्रश्न
From where do the aquatic animals and terrestrial animals obtain oxygen for breathing and respiration?
उत्तर
Aquatic animals obtain the oxygen dissolved in water for breathing and respiration. Terrestrial animals obtain oxygen present in air for breathing and respiration.
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संबंधित प्रश्न
Where does the blood absorb oxygen in the human body?
Name the type of respiration in which the end product is:
C2H5OH and CO2
Give one example where such a respiration can occur.
Explain how, it would benefit deep sea divers if humans also had gills.
Draw a labelled diagram of the human respiratory system.
Describe the exchange of gases which takes place in the leaves of a plant
(a) during daytime, and (b) at night.
Internal respiration may be defined as:
Which of the following is most likely to have a much higher breathing rate?
Veins and arteries carry blood. Which of these carry blood away from the heart?
An animal in which the oxygenation of blood does not take place in the lungs is:
Veins and arteries carry blood. Which of these carry blood back to the heart?
Name the body structure concerned with the given functional activity:
Protects the lungs from mechanical injury
State one function of the following:
Mitochondria
Air that enters through the nose passes into this tube.
____________ is the maximum amount of air that the lungs can hold after a maximum forceful inspiration.
Lack of oxygen in muscles often leads to cramps among cricketers. This results due to:
Glycolysis process occurs in which part of the cell?
Name the substances whose build-up in the muscles during vigorous physical exercise may cause cramps?
Sometimes when we do heavy exercise, anaerobic respiration takes place in our muscle cells. What is produced during this process?
On a very cold morning, Boojho and Paheli were talking with each other as they walked down to their school. They observed that the air coming out of their mouth looked like smoke. They were amused and wondered how it happened. Help them find the answer.
Match the correct answers with the type of respiration and respiratory substances.
| Respiration | Types of Substrates |
| A. Floating respiration | I. Proteins |
| B. Cytoplasmic respiration | II. Glucose |
| C. Protoplasmic respiration | III. Carbohydrates and fats |
