The Nervous System: How Messages Travel in the Body

What is the main function of the nervous system as described in the passage?

• To process food and nutrients

• To support the body's structure

• To carry messages throughout the body

• To control the body's temperature

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Main idea

According to Dr. Emily Chen, why are neurons important?

• They help in the digestion of food.

• They act as the communication experts of the body.

• They control the body's temperature.

• They support the body's structure.

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Point of view

How does the speed of message transmission relate to our ability to react to things like a hot stove?

• Faster message transmission enables quicker reactions.

• The speed is not related to reaction time.

• Faster message transmission allows for slower reactions.

• The type of message, not the speed, affects reactions.

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Interaction of ideas

What does the term 'neurotransmitters' refer to in the passage?

• Types of neurons

• Parts of the brain

• Electrical signals in the nervous system

• Chemicals that help transmit messages between neurons

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Vocabulary