Last updated on August 30th, 2023 at 10:28 pm
Class 6 Biology Chapter 5 Respiratory System
Fill in the blanks:
The primary organs of the respiratory system are the __________. Answer: Lungs.
During heavy exercise, we get cramps in the legs due to the accumulation of __________. Answer: Lactic acid.
The normal range of breathing rate per minute of an average adult person at rest is __________. Answer: 15-18.
The nasal passage joins the nostrils to the __________. Answer: Trachea.
The upper end of the trachea has a voice box called __________. Answer: Larynx.
The process of respiration takes place partially in the __________ and partially in the mitochondria of the cell. Answer: Cytoplasm.
The exchange of gases between the air and the blood takes place across the walls of the __________. Answer: Alveoli.
Bronchitis is the swelling of lining of __________ tubes. Answer: Bronchial.
The process of breakdown of food in the cells of the body with the release of oxygen energy is called __________. Answer: Respiration.
The mechanism of breathing involves two main processes: __________ and expiration. Answer: Inspiration.
Match the Column
Question and answer:
Q- What are the primary organs of the respiratory system?
The primary organs of the respiratory system are the lungs.
Q- What causes Bronchitis?
