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What is your nervous system?
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Your nervous system coordinates your behavior. Your nervous system carries electrical signals(impulses). They travel from 1-120 metres per second.
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What are Hormones?
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Hormones are chemical messages. They are screted and released by special glands in your body. These hormones then go to their target organ in the bloodstream.
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Any changes in your body are known as? What cells are they usually picked up by?
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Changes in your body are known as stimulus they are picked up by cells called receptors. Receptors are found clustered together in special sense organs.
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What are neurones?
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Neurones are special cells which pass information (as electrical impulses) . They are activated once a sensory receptor detects a stimulus.
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What is the Central Nervous System(CNS) is made of?
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It is mainly made up of the Spinal Cord & the brain.
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What is the meaning of sensory neurone?
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Sensory neurone is the cell which carries impulses from your sense organs to your central nervous system.
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What are motor neurones?
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Motor Neurones are cells which carry information from the CNS to the rest of your body.
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What are the effector organs?
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Effector organs are muscles or glands. Your muscles respond to the arrival impulses contracting, and your glands respond by secreting(releasing) chemical substances.
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How can your nervous system be summed up?
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RECEPTOR -> Sensory Neurone -> Co-ordinator(CNS) -> Motor Neurone -> Effector.
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