B3.1.2 Reflexes

Question 1

What are reflex actions?

Answer 1

Involuntary reactions, often occur when in danger

Question 2

Reflex arc and flow diagram

Answer 2

Body misses out brain to react faster (0.2 seconds)

Stimulus —> receptor cells —> sensory neurone —> spinal cord —> motor neurone —> effector —> response