Breathing Mechanism
Question 1: Where did the exchange of gases take place in the human body? And what are that gases?
Answer:
The exchange of gases takes place in the human body in the lungs by the inhalation and exhalation of air .and the gases are oxygen and carbon dioxide
Question 2: What are the different types of respiratory Volumes and Capacities?
Answer:
- Tidal volume (TV)
- Residual volume(RV)
- Inspiratory reserve volume (IRV)
- Expiratory reserve volume(ERV)
- Inspiratory capacity (IC)
- Expiratory capacity(EC)
- Vital capacity(VC)
- Total lung capacity (TLC)
Question 3: Explain the Tidal volume
Answer:
The amount of air inhaled or exhaled in normal respiration is 500 ml and a person can respire nearly 5000 to 6000 ml per minute is called Tidal volume (TV)
Question 4: Which measuring instrument is used for measuring the volume of air involved in breathing?
Answer:
A spirometer is used to measure breathing volume.
Question 5: At which inhalation or exhalation time does the diaphragm relaxation take place? Explain.
Answer:
During the exhalation time, diaphragm relaxation takes place. Because the exhalation is a passive process and that external intercostal muscle is present
Inspiration and Expiration
For the mechanism of Breathing the human should have the lungs and in that lungs, the inhalation and exhalation process mechanism is under the different Respiratory organs, etc the instrument used for measuring the volume of air involved in breathing is the spirometer
Respiratory Organs
Mechanisms of breathing differ for different groups of animals depending on their living and levels of the organization. Lower invertebrates like sponges, and coelenterates, exchange O with CO, by diffusion process by their entire body surface. Earthworms use their cocktails and insects have a tracheal tube to transport atmospheric air within the body, Special structures called gills branchial respiration are used by most aquatic arthropods and Mollusca whereas vascularized bags called lungs are used by the terrestrial forms for the exchange of gases. Among vertebrates, fishes use gills whereas amphibians and reptiles. Birds and mammals respire through the lungs. Amphibians like frogs can respire through their moist skin.