Sight
The clear shield in front of the iris, it lets light in but stops stuff from getting inside the eye through the pupil.
Cornea
The passage from the outer ear to the eardrum is called this.
Ear Canal
What is one of the jobs of the sinuses?
a.) It's where the smelling happens.
b.) The maze stops poisons from going to your brain.
c.) It warms cool air and wets dry air.
(any of these is ok)
The tube that carries food from the mouth to the stomach.
Esophagus
The small walnut looking part underneath the brain that controls all the automatic functions of the body like breathing and blinking.
Cerebellum
This nerve sends signals from your eye to your brain.
Optic nerve
When a sound reaches the middle ear, which part does it move first?
Keep poisons from getting in too far.
Name three of the five basic flavors
Sweet
Sour
Salty
Bitter
Savory
The bigger part of the brain that takes care of thinking and decisions.
Cerebrum
What is the main job of the lens?
To focus light.
All sound comes from this.
Motion or vibration
The wall that separates the left and right halves of the nasal cavity is called this.
Septum.
Why does taste get worse when we lose our sense of smell?
This cord of nerves in your backbone goes from the brain and connects to every muscle and organ in your body.
Spinal cord
Name one of the two humors in the eye.
Vitreous Humor
Aqueous Humor
Why do we have two ears instead of one?
Directional Hearing
Backup ear
Why does our nose produce mucus?
To get dust and stuff out of the nasal cavity.
Epiglottis (or glottis)
What is the name of the nerve that carries sound to the brain?
Auditory Nerve
Having two eyes allows us to see how far or close things are to us, this is called ____________.
Depth Perception
Becky was at a concert and stood near the stage. She had a great time. She was right next to the speakers so she could hear really well. What might happen to her hearing if she keeps doing that all the time?
She might lose part of her hearing over time.
Double Challenge:
Dogs have a better sense of smell than cats. How might having a better sense of smell help a dog?
Easier to catch food that smells.
The hard roof of the mouth is called this.
If a person doesn't have a nerve connected to their arm, can they move their arm? Why or why not?
No, you can't move anything if there is no nerve there. If you are missing the nerve to your arm your arm won't work and you won't feel it.