What is the nervous system?
The body's control center that sends and receives signals between different parts of the body.
What is a sensory neuron?
A type of nerve cell that carries information from sensory receptors to the CNS.
What are the three parts of the brain?
Cerebrum, cerebellum, and brain stem.
What is the function of the CNS?
It processes information and controls most functions of the body.
What is a motor neuron?
A type of nerve cell that carries signals from the CNS to the muscles.
What are the two parts of the Central Nervous System (CNS)?
Brain and spinal cord
What role does the PNS play?
It connects the CNS to the rest of the body, helping with movement and sensing the world around us.
What do motor neurons control?
Both voluntary movements and involuntary movements.
Writing your name is a voluntary or involuntary movement?
Voluntary
What are voluntary movements?
Movements that we control on purpose, such as walking, writing, and smiling.
What is a reflex?
A quick, automatic response to a stimulus that happens without thinking.
Blinking when something comes close to your eyes is an example of what?
Reflex
What are involuntary movements?
Movements that happen automatically without conscious thought, like breathing and heartbeat.
What are 3 examples of the body's sensory receptors?
skin, eyes, ears, nose, tongue
The nervous system's control center is
The brain