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Johnson Woodsdale 4
Science Week Investigation 4 at Woodsdale
Term | Definition |
---|---|
behavior | the things organisms do to surivive and reproduce. |
brain | part of the central nervous system protected by the skull. |
central nervous system | where sensory impulses pass through the brain and spinal cord. |
instinct | an action that is performed without thinking or planning. |
instinctive | a behavior that is imprinted in an orgnanisms brain from birth and helps it to survive. |
neuron | a communication cell found in the brain and nervous system. |
receptor | cells that send messages to the brain when it receives stimuli. |
response | a reaction of a living thing to a stimulus. |
response time | the length of time it takes for a person to respond to a stimulus. |
stimulus | something that causes an action or response. |