Define the term 'stimulus' in the context of control and coordination.

Response to a signal

External signal that evokes a response

Internal signal that regulates body functions

Chemical messenger in the body

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Q1.

What is the main function of the nervous system in the human body?

Q2.

Define the term 'stimulus' in the context of control and coordination.

Q3.

Explain the difference between the central nervous system and the peripheral nervous system.

Q4.

How does the human body respond to a sudden loud noise? Explain the process in terms of control and coordination.