Describe how a gill is structurally adapted as a respiratory surface (4marks)
- Highly folded into filaments to increases surface area gaseous exchange
- It is covered with a thin highly permeable membrane to reduce the diffusion distance.
- It has a rich blood to increases the efficiency to gaseous exchange.
- It’s wet in order to increase chance of picking up gases readily dissolve in the moisture.
- Numerous filaments increase the surface area
CATEGORIES Bio Questions and answers
TAGS Dr. Bbosa Science