Biology
With regard to the respiratory system and the process of respiration in man, answer the following questions:
(a) Name the two muscles that help in breathing.
(b) Briefly describe how the above mentioned muscles help in the inspiration of air.
Related Questions
Write one important role of each of the following .
- Epiglottis
- Larynx
- Alveolus
- Pleura
- Nasal chamber
Which of the following is not a part of the respiratory system ?
- Nostrils
- Lungs
- Mouth
- Trachea
Fill in the blanks with suitable words :
- The …………… emerges from the larynx down below in the neck.
- The inner lining of trachea consists of …………… epithelium.
- …………… end up into microscopic alveoli.
- The volume of chest cavity …………… during inspiration.
- The amount of …………… gas remains the same in the inspired air and expired air.
The muscular sheet which divides the body cavity into thorax and abdomen is termed as :
- Inner pleura
- Rib cage
- Outer pleura
- Diaphragm