Bowman’s capsule
1. It is a part of kidney i.e. a excretory unit.
2. It is cup shaped structure at the end of nephron.
3. It helps in filtration of blood
Alveolus
1. It is a part of using i.e.a respiratory unit.
2. It is the outgrowth of air sacs (alveolar sacs).
3. It helps in exchange of gases (CO2 and O2).
