Question | Answer |
Alzheimer's disease | a disorder of the nervous system; affects a person’s mind, often decreasing |
axon | the part of the neuron that receives messages from the dendrite and passes the messages to the next neuron |
brain | command center of the body |
dendrite | the part of a neuron that receives messages from other neurons |
endocrine gland | special groups of cells that make chemicals, such as hormones, for the body |
epilepsy | a seizure disorder caused by the neurons in the brain sending their electrical impulses too quickly and at an irregular rate |
hormone | a chemical messenger for the endocrine system |
hypothalamus | a group of special cells near the base of the brain that helps to regulate parts of the body, such as the pituitary gland |
impulse | an electrical message passed from neuron to neuron |
lobes | distinct areas of the cerebrum |
memory | the ability to remember |
multiple sclerosis | an autoimmune disorder that destroys the myelin coating covering the axon in some neurons; can result in muscle weakness, paralysis, or loss of vision |
neuron | a nerve cell that carries impulses between various parts of the body |
Parkinson's disease | a disorder of the nervous system that damages brain cells that control movement |
pituitary gland | the master gland of the endocrine system; secretes hormones that control other glands |
reflex | an action that happens before the brain has time to think about the action |
spinal cord | bundle of nerve fibers that connect the brain to the rest of the body |
synapse | gap between neurons that messages cross |