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प्रश्न
What is breathing?
उत्तर
Breathing: It is the physical process of taking in oxygen and giving out carbon dioxide.
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संबंधित प्रश्न
With the help of a suitable diagram, describe the conducting system of the human heart.
During heavy exercise, the breathing rate of a person slows down.
During respiration there is
Name the body structure concerned with the given functional activity:
Helps to increase the volume of the chest cavity lengthwise.
Under what conditions would the breathing rate increase?
Differentiate between the following pairs on the basis of the aspect given in the brackets.
Respiration and Photosynthesis (Gas released)
Differentiate between the following pairs on the basis of the aspect given in the brackets.
Photosynthesis and Respiration (Reactants)
Give suitable explanation for the following :
Why does gaseous exchange continue in the lungs even during expiration?
The volume of air in the lungs and the rate at which it is exchanged during inspiration and expiration was measured.
The following diagram shows a group of the lung volumes and capacities.
Study the diagram carefully and explain briefly the following :
Expiratory reserve volume (ERV)
Put a tick (✓) against the most appropriate alternative in the following statement.
In humans, taken in of the air through nostrils into the nasal cavity is called
Name the following:
Respiratory process in which oxygen is not utilized.
Write true or false for the following statement. Rewrite the false statement correctly.
The microscopic air sacs present in the lungs are called bronchi.
Name the following:
Sound producing organ.
Complete the following statement by choosing the correct alternative from those given below.
Net gain of complete cellular respiration of carbohydrate ______.
Choose the correct alternative.
_______ wave in ECG represent atrial depolarization.
Answer the following question.
Give an account on the tracheal system of cockroach.
Answer the following question.
A student observed that the cockroaches are killed for dissection by simply putting them in soap water. He inquired whether soap is so poisonous. Teacher said it is due to its peculiar respiratory system. How?
What is respiration?
Due to which of the following reason lungs do not collapse between breaths and some air always remains in the lungs which can never be expelled?
Which one of the following has the smallest diameter?
