1) Define homeostasis 2) Define synapse 3) Define stimulus 4) Define receptor 5) Describe what the coordination centre does. 6) Define effector 7) Name three types of neurones. 8) Name the neurone which takes impulses from the receptor to the coordination centre. 9) Name the neurone which takes impulses from the coordination centre to the effector. 10) Name the neurone which takes the impulse from the sensory neurone to the motor neurone in a reflex arc. 11) Describe what the central nervous system is. 12) Describe what the peripheral nervous system is. 13) Describe how messages are transmitted across a synapse. 14) Describe the function of reflexes. 15) Name where temperature receptors are found in the body. 16) Name where the thermoregulatory centre is found. 17) Describe the changes that take place in the body when body temperature is too low. 18) Describe the changes that take place in the body when body temperature is too high. 19) Describe the function of the medulla oblongata. 20) Describe the function of the cerebral cortex (or cerebrum). 21) Describe the function of the cerebellum. 22) Name two ways scientists know about the functions of the different parts of the brain. 23) Describe the function of the iris. 24) Describe the function of the retina. 25) Name the part of the eye where most of the light is refracted when it enters the eye. 26) Describe how the eye focuses on near objects 27) Describe how the eye focuses on far objects 28) Describe what myopia is 29) Describe what hyperopia is 30) Explain why catching a ball is not a reflex action.

The Nervous System - Revision

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