Explain the nervous pathway reflex when touching something hot (5 marks)

The stimulus/heat is detected by receptors in the hand It sends an impulse via sensory neurones to the spinal cord/CNSChemicals are transmitted via the synapses and diffuses across the gap The impulses travel to the effector/muscle via the motor neuroneThe effector/muscle contracts and moves away from the hot stimulus

LH

Related Biology GCSE answers

All answers ▸

Describe how a sperm cell is adapted to its role (4 marks)


Compare the structure of a eukaryote and prokaryote cell.


What is coronary heart disease?


Explain the different functions of the components of a plant cell.