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प्रश्न
Define respiration.
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उत्तर
It is a process of release of energy from food substances such as glucose and fats under the control of enzymes, to carry out life processes, by the living organisms.
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संबंधित प्रश्न
How are the lungs designed in human beings to maximize the area for exchange of gases?
Name the red pigment which carries oxygen in blood.
Where in the lungs does gas exchange take place?
What is the name of tiny air-sacs at the end of smallest bronchioles in the lungs?
In the lungs what substance is taken into the body?
How are oxygen and carbon dioxide exchanged in our body during respiration?
Internal respiration may be defined as:
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 two organisms which breath only through their moist skin are:
One of the following organisms does not depend on the simple diffusion of gases for breathing and respiration. This organism is:
Consider the following chemical reactions which take place in different organisms/tissues under various conditions:
(i) Glucose → Respiration ">Ethanol + Carbon dioxide + Energy
(ii) Glucose→ Respiration ">Carbon dioxide + Water + Energy
(iii) Glucose → Respiration "> Lactic acid + Energy
(a) Name one organism which respires according to equation (i) above.
(b) Name one organism which respires according to equation (ii) above.
(c) When and where does respiration represented by equation (iii) above take place?
(d) Which equation/equations represent aerobic respiration?
(e) Which equation/equations represent anaerobic respiration?
(f) Which of the above reactions produces the maximum amount of energy?
Veins and arteries carry blood. Which of these carry blood away from the heart?
Differentiate between
External respiration and Internal respiration
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Alveoli and _____________.
Given below is an example of a certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Pleura and _____________.
Why is respiration essential for life?
What is the ppCO2 in alveolar air?
The partial pressure of oxygen of blood in pulmonary capillaries is i ______ mrnHg while in alveolar air it is ii ______ mmHg.
