What are receptors?
They are a group of specialised cells that respond to different changes in the environment called stimuli. Different types of receptors have different stimuli they react to such as light, sound, chemicals and pressure. They are often found in sensory organs such as eyes, ears, nose, tongue and skin.
EO
Related Biology GCSE answers
All answers ▸What are the products of digestion of a) proteins, b) fats and c) carbohydrates?
Why is surface area to volume ratio bigger in smaller animals and vice versa?
|The diagram shows part of a DNA molecule. DNA is a polymer. What is the evidence from the diagram that DNA is a polymer?
Briefly describe the components of blood and their functions.