(brain and spinal cord)
The scientific word for the brain is this
Cerebrum
A cable-like structure that uses neurons to send signals, messages, all over your body
Nerve
Vibrations in the air are called what
Sound
What is the primary organ that we taste with?
Tongue
What is the largest organ?
Skin
This part of the central nervous system controls balance
Cerebellum
This fatty tissue is wrapped around the neuron's axon and speeds up messages through the nerve
Myelin sheath
What do these three bones do, malleus, incus, and stapes in the ear?
Amplify sound in the ear.
What is the name of the cell/ smell receptors in your nose?
olfactory
Name the three layers of skin
The name of the lobe in your brain that processes sight
Occipital lobe
The name of the chemicals that transmit information to another neuron
Neurotransmitters
What is the curved structure in your eye that bends light upside down on retina.
Lens
Papillae and 10,000
what is the tough protein found in the body that helps nails, hair and skin harden and kills the cells as they grow.
Keratin
Name at least two functions the frontal lobe is responsible for
-Speech and language
Processing your emotions.
Reasoning, logic, and problem solving
Skilled movement such as, playing piano, brain surgery, ballet.
_______ neurons send messages to the brain, and _______ neurons send messages from the brain out to the body
Sensory, motor
Explain what happens in the eye to make a person nearsighted and farsighted.
light is focused before the retina, light passes or is behind the retina
Name three things saliva does for us?
taste, swallowing, chewing, bad breath, tooth decay, protect against germs
What part of the cell holds the DNA? DNA is responsible inherited features, such as hair, skin color and eye color.
Nucleus
The spinal cord is divided into these four sections
cervical, thoracic, lumbar, sacral
What are the names of the two systems the peripheral nervous system is divided into (Involuntary and voluntary)
Autonomic and Somatic nervous systems
Which part of the ear allows you to keep balance, and which part turns sound (vibrations) into a chemical signal and sends it to the brain?
semicircular canals and the cochlea
What is the name of the hair-like structures found in the nose, they are also found in the ear and the lungs.
Cilia
Give me 3 jobs for our skin
•Regulate body temperature
•Alerts you to temperature around you
•Prevent Infection
•Protect you from harmful sun rays
•Keeps you from dehydrating
Produces Vitamin D from the sun