1.4 The Nervous System

Which is NOT a function of the nervous system?

• gathering information

• responding to a stimulus

• maintaining homeostasis

• collecting waste

True or false:

A reflex signal must travel to the brain before a response to the stimulus can occur.

• True

• False

What is a reflex?

• an automatic movement in response to a stimulus

• the gap between neurons where chemical reactions occur

• the part of the brain responsible for involuntary movements

• a muscle memory

Jubjib loves to dance during Quizlet live. Which part of her brain stores the memories for her dance techniques?

• cerebellum

• cerebrum

• brain stem

• medulla

Cover dancing requires a lot of coordination, but which part of your brain coordinates your muscle movements?

• cerebellum

• cerebrum

• brain stem

• hypocampus

Even though Khing loves to sleep, her heart still beats and lungs still breathe. Which part of her brain controls this?

• cerebellum

• cerebrum

• brain stem

• optical nerve

This organ is like the messaging app the brain and body use to communicate with each other. What is it?

• PNS

• cortical nerve

• vocal cord

• spinal cord

Two neurons connect at a place called a _______.

• synapse

• stimulus

• cerebrum

• cell body

Physical injuries, like a major car accident, can be very dangerous to nervous system health. How?

• the nerves will communicate slower

• pain receptors activate during physical injuries

• damaged nerves cannot send or receive signals

• the driver will be very upset about their destroyed car

A spider feels a fly land on its web. This is an example of:

• gathering information

• responding to a stimulus

• maintaining homeostasis

• collecting waste