The Nervous System
1) brain
2) spinal cord
3)nerves
What is the organ we use for sight?
Eyes
What organs do you use to hear?
Ears
Air enters our nose through two tiny little holes called what?
The nostrils
What does the locomoter system allow us to do?
The locomoter system allows us to control different parts of our body and move around.
How does the brain receive different types of information?
The brain receives different types of informaiton from the sense organs through the nerves.
What part of the eye does light first enter?
the pupil
Name the three parts of the ear.
1)The outer ear
2)Middle ear
3)Inner ear
What nerve sends infromation to our brain and tells us what we are smelling?
The olfactory nerve
What bone protects the brain?
The skull
What part of the brain controls voluntary actions like talking, writing, or reading?
cerebrum
After light enters the eye through the pupil where does it go next?
The lens
What is the sticky substance called inside the canal of the ear?
Earwax
What is the name of the tiny little bumps on our tounge which allow us to identify different tastes?
taste buds
Which bone protects the heart?
Ribs
Which part of the brain helps us to ride a skateboard or bike?
cerebellum (controls movement, balance, & coordination)
What part of the eye creates an upside down image of the object that a person is seeing?
The retina
After sound enters the outer ear where does it travel to?
The eardrum in the middle ear
What is the largest organ of the human body?
The skin
Which bones form the upper limbs? There are 3
Radius, ulna, humerus
What part of the brain controls involuntary actions like breathing and digestion of food?
The brain stem
The retina sends the information it sees to the brain and then what does the brain do with this information?
It truns the image right side up.
What does the eardrum do with the soundwaves?
It vibrates the sound and makes the liquid in the inner ear move and send signals to the brain.
Explain what happens when we touch something. How do we know if we are touching something cold, hot, smooth, rough, hard, or soft?
When we touch something the sensory nerves send the information to the brain and the brain tells us if we are touching something hot, cold, smooth, rough, hard, or soft.
Which muscles form the upper limbs?
Biceps, triceps, & deltoids