Describe the key features of an exchange surface
exchange surfaces require a small diffusion distance enabling the fast exchange of compounds, good blood supply to maintain a concentration gradient. This allows for the most efficient diffusion
ZS
Related Biology GCSE answers
All answers ▸Explain the way in which Anti Diuretic Hormone regulates the water content of blood
What is a synapse? Describe how it works.
Describe the Control of Blood Sugar Concentration in the body under normal physiological conditions (4 Marks)
How is enzymatic activity affected by temperature and substrate concentration?