Flashcards
CONTROL AND REGULATION - flashcards
Cards in this deck (9)
- 1STIMULUSA stimulus is the thing detected by the body which sends messages to the brain and creates a reaction.
examples can be fire, heat (touch), noises (hearing) and food (taste). - 2EFFECTORSEffectors are the parts of the body which react to a stimulus. These can be muscles or taste buds as they receive messages from the brain to move or salivate.
- 3SENSE ORGANSThe 5 sense organs are the nose, tongue, ears, skin and eyes. These organs receive the stimulus for example the ears receive a sound.
- 4NEURONSneurons are the nerve pathways that send messaged from the sense organ to the brain to report what has happened.
- 5MOTOR NEURONSmotor neurons are the types of nerve cells that report messages to muscles, these neurons are usually reporting touch stimulus.
- 6SENSORY NEURONSsensory neurons receive messages from the environment to the body's central nervous system
- 7INTERNEURONSThese cells join the other types of neurons together to link chain. This makes sure that the messages reach the right areas of the body.
- 8RESPONSEa response to stimuli is called the action eg if you get dust in your nose, you will sneeze.
- 9RECEPTORa receptor is the part of the body which detects the stimulus. An example is when you touch something hot - your receptor is your finger.
