SCIENCE
NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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TRUE
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FALSE
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Either A or B
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None of the above
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Detailed explanation-1: -Sometimes we need to move so fast that our brains don’t have time to think. So our body just bypasses the brain. This happens when we touch something hot. Our hand actually moves before the brain tells it to.
Detailed explanation-2: -Neurons send info to your brain at more than 150 miles (241 kilometers) per hour. A bee lands on your bare foot. Sensory neurons in your skin relay this information to your spinal cord and brain at a speed of more than 150 miles (241 kilometers) per hour.
Detailed explanation-3: -When a message comes into the brain from anywhere in the body, the brain tells the body how to react. For example, if you touch a hot stove, the nerves in your skin shoot a message of pain to your brain. The brain then sends a message back telling the muscles in your hand to pull away.
Detailed explanation-4: -The involuntary nervous system can react quickly to changes, altering processes in the body to adapt.