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प्रश्न
Which is the correct sequence of air passage during inhalation?
विकल्प
Nostrils → larynx → pharynx → trachea → lungs
Nasal passage → trachea → pharynx → larynx → alveoli
larynx → nostrils → pharynx → lungs
Nostrils → pharynx → larynx → trachea → alveoli
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उत्तर
Nostrils → pharynx → larynx → trachea → alveoli
Explanation -
Through the nose, air enters the respiratory system, passing through the pharynx, larynx, trachea, and alveoli. Following inhalation, the diaphragm and intercoastal muscles contract, coupled with the thoracic muscles expanding, allowing air to enter the lungs.
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संबंधित प्रश्न
Given below is a square of letters in which are hidden different words related to respiration in organisms. These words may be present in any direction − upwards, downwards, or along the diagonals. Find the words for your respiratory system. Clues about those words are given below the square.
- The air tubes of insects
- Skeletal structures surrounding chest cavity
- Muscular floor of chest cavity
- Tiny pores on the surface of leaf
- Small openings on the sides of the body of an insect
- The respiratory organs of human beings
- The openings through which we inhale
- An anaerobic organism
- An organism with tracheal system
Where does the blood absorb oxygen in the human body?
What is the name of tiny air-sacs at the end of smallest bronchioles in the lungs?
State whether the following statement is true or false:
Fish and earthworm exchange gases during respiration in the same way.
Name the type of respiration in which the end product is:
C2H5OH and CO2
Give one example where such a respiration can occur.
Describe the process of respiration in Amoeba. State whether it is anaerobic respiration or aerobic respiration.
What is the function of the respiratory system?
What are the major organs of respiratory system in man (or humans)?
Which of the following is not produced during anaerobic respiration in unicellular fungus?
Which of the following is correct for the process of anaerobic respiration?
| Carbon dioxide always produced | A lot of energy released | |
| (a) | No | Yes |
| (b) | No | No |
| (c) | Yes | No |
| (d) | Yes | Yes |
Answer the following in one word.
What is the muscular sheet below the lungs called?
Differentiate between
External respiration and Internal respiration
Choose the odd one out in the following groups of four items each:
Trachea, Bronchus, Alveolus, Diaphragm
What is the normal percentage composition of gases in inspired and expired air respectively?
Which chemical compound inside a cell can be termed "Currency of Energy"?
List the organs of Human respiratory system.
Answer the following question.
A gas is released during photosynthesis. Name the gas and also state the way by which the gas is evolved.
Sometimes we get painful cramps in our leg muscles after running for a long time due to the accumulation of:
Which of the following equations is the summary of photosynthesis?
