Ls 4 - Nervous System https://www.youtube.com/watch?v=VAEmxt78bB

What is the central nervous system (CNS) responsible for?

• Only breathing

• Only thinking

• Only moving your fingers

• Everything you do, from breathing to moving

What happens when you pinch yourself?

• The skin changes color

• Neurons send pain signals to the brain

• The neurons stop working

• The skin becomes numb

What protects the brain and spinal cord?

• Bones and cerebrospinal fluid

• Skin and hair

• Muscles and tendons

• Blood and veins

What is the peripheral nervous system (PNS) responsible for?

• Only reflex actions

• Connecting the CNS to the rest of the body

• Only voluntary actions

• Only involuntary actions

Which system controls voluntary actions like waving your hand?

• Peripheral nervous system

• Involuntary nervous system

• Somatic nervous system

• Central nervous system

What regulates involuntary actions like heartbeats?

• Voluntary nervous system

• Somatic nervous system

• Peripheral nervous system

• Vegetative nervous system

What happens when you hold your breath for too long?

• Your CNS shuts down

• Your heart stops beating

• Your brain tells you to breathe in

• Your brain tells you to keep holding your breath

What is the body's response to unexpected pain?

• The brain ignores it

• No reaction occurs

• Involuntary nervous system reacts

• Voluntary nervous system reacts

Why do we scratch an itch?

• To make the itch worse

• To stop the neurons from working

• To increase the itch

• To trick the brain into feeling pain instead

What happens when the outside temperature rises?

• The CNS stops working

• The body starts shivering

• Sweat glands activate to cool the body

• The heart rate decreases