Question

A. Write one word answers to the questions given below:
1. Name the gases that are consumed and released in respiration, respectively.
2. Name three organs of the human respiratory system
3. Name two steps involved in breathing.
4. Name two ways of getting relief from muscle cramps.
5. Name the type of respiration that takes place in the cells of living organisms.​

Answer 1

1. Oxygen
2. pharynx, trachea, bronchial tubes.
3. The process of breathing (respiration) is divided into two distinct phases, inspiration (inhalation) and expiration (exhalation). During inspiration, the diaphragm contracts and pulls downward while the muscles between the ribs contract and pull upward.
4. Stretch and massage. Stretch the cramped muscle and gently rub it to help it relax. For a calf cramp, put your weight on your cramped leg and bend your knee slightly. ...
5. Stretch and massage. Stretch the cramped muscle and gently rub it to help it relax. For a calf cramp, put your weight on your cramped leg and bend your knee slightly. ...Apply heat or cold. Use a warm towel or heating pad on tense or tight muscles.
6. In aerobic respiration, energy is produced by the breakdown of food(like glucose). In anaerobic respiration, energy is also produced by the breakdown of food (like glucose). Aerobic respiration takes place in the cells of the organism