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प्रश्न
Fill in the following blank with suitable word:
Gills are the breathing organs in ___________.
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उत्तर
Gills are the breathing organs in aquatic animals (fish).
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संबंधित प्रश्न
List the differences between aerobic and anaerobic respiration.
During heavy exercise, we get cramps in the legs due to the accumulation of ______.
The mountaineers carry oxygen with them because ______.
Which part of roots is involved in the exchange of respiratory gases?
What type of respiration takes place in human muscles during vigorous physical exercise? Give reason for your answer
Describe the process of respiration in the following part of a plant:
Leaves
Why do fishes die when taken out of water?
Explain how, the air we breathe in gets cleaned while passing through the nasal passage.
How are oxygen and carbon dioxide exchanged in our body during respiration?
Why is diffusion insufficient to meet the oxygen requirements of large multicellular organisms like humans?
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
The breathing and respiration in woody stem of a plant takes place through:
During marathon, we sometimes get painful contractions of leg muscles due to the accumulation of one of the following in leg muscles. This is:
When a person breathes in the air, the air enters into his body through an organ A having two holes B in it. The air then passes through the pharynx and larynx and enters into tube C. The tube C divides into two smaller tubes D at its lower end. The two smaller tubes are attached to two respiratory organs E. Each smaller tube divides inside the organs E to form a large number of still smaller tubes called F. The smallest tubes F have air-sacs G at their ends in which gaseous exchange takes place in the body of the person. What are A, B, C, D, E, F, and G?
Out of xylem and phloem, which one carries materials only upwards?
Draw a diagram of the human respiratory system and label - pharynx, trachea, lungs, diaphragm and alveolar sac on it.
Answer the following question.
How is O2 and CO2 transported in human beings?
Explain the three pathways of breakdown in living organisms.
Visit a doctor. Find out about artificial respiration. Ask the doctor:
- When does a person need artificial respiration?
- Does the person need to be kept on artificial respiration temporarily or permanently?
- From where can the person get supply of oxygen for artificial respiration?
