protects the brain
What is skull or cranium?
quick automatic response to a stimulus
What is reflex action?
part of the organism that receives impulses
receptors
control blood pressure
What is brain stem?
changes in the environment
What are stimuli?
controls involuntary processes in the body
What is the medulla oblongata or brain stem
bundle of neurones
What is nerve?
three types of neurones
sensory, motor and relay neurone
found above the spinal cord
The part of the brain responsible for muscle coordination, balance and posture, and muscle tone
What is cerebellum?
control sense organs ____________
What is cerebrum?
protected by the vertebral column
What is the spinal cord
receives impulse and send them away cell body
what are axons
carries impulses to the CNS
What are sensory neuron?
the brain weighs about _________
what is 3lbs
What is a synapse