unit 2 lessons 6-7 Flashcards
what are the three main parts of the brain
cerebrum
cerebellum
brain stem
what does the cerebrum do
controls conscious thought and decision making processes
what does the cerebellum do
controls posture, balance, coordination and voluntary muscles
what does brain stem do
regulates breathing, heart rate, blood pressure, consciousness hunger thirst and emotions
what is the spinal cord
long rod of nerve tissue in the spine
why are reflexes important
protect us
what do neurons do
nerve cell that relays information between the brain and another part of your body
what is a dendrite
a branch like structuce of a neuron that recieves messages
what is an axon
brach like structure of a neuron that sends messages to other neurons
what is an impulse
the message that neurons carry
what is the brain
the body’s control center
what is a reflex
an automatic respons to amovement noise or some other stimulus
what is a concussion
a hard blow to the head that may cause a temporary loss of consciousness
what is a coma
a deep unconsciousness from which a person has not yet been aroused
what is paralysis
the inability to move body parts
