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5 Cards in this Set
- Front
- Back
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What is the CNS? |
The Central Nervous System |
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What is the main job of the Central Nervous System? |
Hormones are chemical substances. They control many bodily processes. Special glands make and release secrete which are hormones. Then the hormones are carried around your body to target organs in the bloodstream. |
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What speed do electrical impulses travels at? |
From 1 to 120 metres per second |
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Why do the electrical impulses need to travel quickly? |
Because it enables us to act quickly to our surroundings |
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What type of messengers are hormones |
Chemical messengers |
