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Life Process of Respiration Video Lecture - Class 10

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1. What is respiration?
Ans. Respiration is a life process in which organisms exchange gases, such as oxygen and carbon dioxide, with their environment. It involves the intake of oxygen and the release of carbon dioxide through a series of chemical reactions in the cells.
2. How does respiration occur in living organisms?
Ans. Respiration occurs in living organisms through a process called cellular respiration. In this process, glucose (a type of sugar) is broken down in the presence of oxygen to release energy. This energy is used by the cells for various activities.
3. What are the different types of respiration?
Ans. There are two main types of respiration: aerobic respiration and anaerobic respiration. Aerobic respiration occurs in the presence of oxygen and is the most common type of respiration in living organisms. Anaerobic respiration occurs in the absence of oxygen and is seen in certain microorganisms and during intense physical activities in humans.
4. How does respiration help in the survival of living organisms?
Ans. Respiration is essential for the survival of living organisms as it provides them with the energy they need to carry out various life processes. It helps in the production of ATP (adenosine triphosphate), which is the energy currency of cells. Without respiration, organisms would not be able to perform vital functions like growth, movement, and reproduction.
5. What are the organs involved in the process of respiration?
Ans. In humans, the organs involved in the process of respiration are the lungs, diaphragm, and the respiratory system as a whole. The respiratory system includes the nose, trachea, bronchi, and bronchioles. These organs work together to facilitate the exchange of gases between the body and the external environment.
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