Eye
The hole in the eye, which takes in light and allows a person to focus on an object in their line of vision.
Pupil
what does PNS stand for?
peripheral nervous system
The Brain
What is the function of the central nervous system?
It is the center of thought and controls most body acitons.
What is the function of the nervous system?
To control and communicate what is going on in the body.
Transfers the visual information from the back of the eye to the brain.
Optic Nerve
what does CNS stand for?
Central Nervous System
What structure functions like a highway and transmits nerve impulses from the body to the brain and from the brain to the body?
The spinal cord
Spinal Cord
Name all structures of the entire nervous sytem
Brain, Spinal cord, and Nerves
Sits behind the pupil, and it can change shape to focus on the objects.
Lens
What are the nerves called that we can control?
Somatic
Nerves come from our skin, eyes, ers, tongue, nose and ears are called what?
Sensory Nerves
What are the parts of the Central Nervous System?
Brain and Spinal Cord
The brain controls body functions by sending and receiving electrical signals through where?
Nerves
The clear outer covering of the eye, which protects and prevents harmful substances from entering the eye.
Cornea
What do we call the nerves that are controlled by the bain and work automatically?
Autonomic
Nerves are made of billions of nerve cells called what?
Neurons
What nerves control our muscles and allow for movement?
Motor Neurons
Name 3 of the 4 things the brain controls?
How we think, feel, learn, and move
Is the white part of the eye, which protects the inside of the eye and allows people to move their eyes to find objects.
Sclera
What part of the brain is responsible for regulating body temperature?
Hypothalamus
Which gland is responsible for producing and releasing hormones?
Pituitary Gland
What function helps with balance?
The cerebellum
What is the largest part of the nervous system?
Central Nervous System