General
Doug says our bodies work a lot like __________.
What are robots?
We have these in our hands to help them move our fingers.
What are strings OR rods?
An eyeball being too short or too long can cause this.
What is blurry vision?
When your pupil is larger, you can see better here.
What is the dark?
The hole-in-hand illusion works because our brain does this with the image from each eye.
What is combines them?
Using this technique in science helps us learn about our bodies because we can see what's inside them.
What is dissection?
The strings in our robot fingers represented _________ in our real hands.
What are tendons?
Light enters our eyes through this.
What is the pupil?
What is nocturnal?
Movement nerves are connected to our ______________.
What are our muscles?
Scientists haven't completely figured out how this body part works, and dissection doesn't necessarily help in this case.
What is the brain?
Without these, we would be a non-moving skeleton.
What are muscles?
If the cornea lens is ______, you would only be able to see light or dark.
What is cloudy?
Only animals have this type of retina that helps them see better at night.
What is reflective?
Sensory nerves are connected to our __________.
What are senses?
Adults have 206 of these. Mystery Science called them "rods".
What are bones?
Without these, we would be a pile or glob of muscles.
What are bones?
This is the part of the eye that gives us color.
What is the iris?
Red eye in human photos is caused by our ______ _______ in the back of our eyes.
What are blood vessels?
Our brains take information from our senses, and makes ______________ about whether or not to send a movement command to our muscles.
What are decisions?
These are the places where our bodies can bend/move.
What are joints?
To help see an example of the tendons in our hands, the video using a piece of raw ______________ to help us see something similar.
What is chicken?
During the index card eye model, the image of the window was ______-_____ on the retina/index card.
What is upside-down?
When we go from light to dark, our pupils __________, or get larger, to let more light in.
What is dilate?
Why does it take time for our hand to grasp the ruler in this experiment?
Our brains have to take messages from our sensory nerves and decide what to do with that information. The decision means the brain also has to send a command to movement nerves for our bodies to take action.