Question
Distinguish between:
- Tracheoles and bronchioles.
- Right lung and left lung.
| S.No. |
Tracheoles
|
Bronchioles
|
| (i) |
These are respiratory tubes of insects.
|
These are respiratory tubes of mammals.
|
| (ii) |
They penetrate all parts of the body.
|
They occur only in the lungs.
|
| (iii) |
They end blindly in tissue cell.
|
They give off alveolar ducts.
|
|
S.No.
|
Right Lung
|
Left Lung
|
|
(i)
|
It has three lobes and median border is entire.
|
It has two lobes with anteromedian border having cardiac notch.
|
|
(ii)
|
It is larger and heavier.
|
It is smaller and lighter.
|
|
(iii)
|
It is shorter, but broader than the left lung.
|
It is longer, but narrower than the right lung.
|
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