Biology
Related Questions
Describe in brief the function of ribs and diaphragm in breathing.
The basic structural and functional unit of the lungs is :
- Pleura
- Alveolus
- Capillary
- Diaphragm
Match the terms given in column A with those of column B
Column A Column B (i) Aerobic (a) Two-lobed (ii) Anaerobic (b) Three-lobed (iii) Trachea (c) Absence of oxygen (iv) Left lung (d) Presence of oxygen (v) Right lung (e) C-shaped cartilaginous rings Correct the following statements by changing the first/ last word only :
- BCG is a kind of vaccine used to prevent Pneumonia.
- Streptomycin is a kind of vaccine.
- Breathing is a bio-chemical process.
- The amount of oxygen in expired air is 21%.
- The front opening of the trachea is guarded by a muscular flap called diaphragm.