What do the receptor in the skin detect?
Touch
Pressure
Pain
Heat
What are the steps in the reflex arc?
Stimulus Receptor Sensory neurone CNS (relay neurone) Motor neurone Effector Response
Give example of involuntary reflex action
Pupil getting smaller when a bright light is shined in it
What is homeostatis?
The body controlling its internal conditions
What are 4 things the body controls?
Water content
Blood sugar level
Ion content
Temperature