The Senses
Name the 5 senses
Taste, Touch, Smell, See, Hear
What are the 3 parts of the Nervous System?
Brain, Spinal Cord, nerves
Largest part of the brain
Cerebrum
3 parts of the eye
cornea, iris, retina
The control center for the body. Without it, no other organ will function.
Brain
What organs are used to see the world?
Eyes
Neurons
The last part of the brain to finish developing around age 25, controls decision-making.
Frontal lobe
Where is the tiniest bone in the human body, the stapes, located?
ear
What protects the brain?
Someone that uses sign language may not have what sense?
Hearing
How many miles an hour do messages/signals travel through the human body?
200mph
Part of the brain in the back of the head that controls balance for walking and standing.
Cerebellum
The average person has about 10,000 of these and they're replaced every 2 weeks or so.
Taste buds
Frontal, Temporal, Occipital, Parietal
What sense would you rely on in a pitch dark room?
Touch
About how many nerve cells are in the human body?
7 trillion
Connects the brain to the spinal cord
Brain stem
The largest organ of the human body that processes how the world feels.
Skin
Found in the spinal cord & between the brain and the meninges, meant to cushion and protect.
Spinal Fluid
What sense is used to describe the flavor of a food?
Taste
The tiny space between 2 neurons
Synapse
The layers between the brain and skull.
meninges
Sense organ made of of cartilage, not bone.
ear or nose
True or False: messages/ signals only travel in one direction through the nervous system.
TRUE