Describe 3 ways in which the lungs are adapted to allow efficient gas exchange

  • Large surface area -Cell wall of alveoli is one cell thick -Good Blood supply
RV

Related Biology GCSE answers

All answers ▸

Describe the roles of calcium ions, ATP and phosphocreatine in producing contraction of S (b) a muscle fibre.


How does blood flow through the heart?


What is the basic structure of DNA?


Explain the differences between meiosis and mitosis