central nervous systems (CNS)   - consists of brain and spinal cord  , cerebrum  - part of the brain responsible for mental processes e.g. memory, reasoning, conscious thought  , cerebellum  - part of the brain that controls balance and coordination  , medulla   - part of the brain that control heart and breathing rates  , neurons   - nerve cells  , electrical   - type of signal transmitted by neurons  , sensory neuron   - nerve cell that sends electrical impulse form sense organ to CNS  , inter neuron   - nerve cell that sends electrical to connect sensory neuron to motor neuron  , motor neuron   - nerve cell that sends electrical impulse from CNS to muscle (or gland)  , synapse   - tiny gap between two neurons  , chemical   - type of signal that crosses synapses  , reflex action   - fast, automatic, protective response  , reflex arc   - neural pathway that controls a reflex action  , endocrine gland   - organ that releases a hormone into the blood  , hormone   - chemical messenger  , receptor protein   - molecule in the plasma membrane of a target tissue cell that detects a hormone  , pancreas   - organ that produces insulin and glucagon  , liver   - organ that stores glucose as glycogen  , glucose   - simple carbohydrate required by all living cells for respiration  , glycogen   - storage carbohydrate in animals  , insulin   - hormone that activates the enzyme that converts glucose to glycogen  , glucagon - hormone that activates the enzyme that converts glycogen to glucose,

MO2 Control and communication

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