Diaphragm
Trending Questions
Q.
How do the lungs of birds differ from the lungs of mammals?
Q. To generate pressure gradients in order to facilitate expiration and inspiration, the human body uses the intercostal muscles and
- Alveolar sac
- Bronchi
- Primary, secondary and tertiary bronchioles
- Diaphragm
- Windpipe
Q.
The figure shows a diagrammatic view of the human respiratory system with labels. Select the option that gives the incorrect identification and main function or characteristic.
Visceral pleura - Outermost membrane
Parietal pleura - Innermost membrane
Pleural cavity - The pleural fluid fills this space
Diaphragm - Dome shaped muscle that contracts to increase the volume of the thoracic cavity.
Q. The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option which gives correct identification and/or characteristic.
- C - Alveoli - Thin-walled vascular bag-like structures for exchange of gases.
- D - Lower end of lungs - Diaphragm pulls it down during inspiration.
- A - Trachea - Long tube supported by complete cartilaginous rings for conducting inspired air.
- B - Pleural membrane - Surround ribs on both sides to provide cushion against rubbing.
