No student devices needed. Know more
24 questions
The ______________ is the frame or structure of our body just as steel beams are the frame or structure of a building.
brain
legs
skeleton
arms
The "moving places" that connect our many bones are called ____________.
joints
tendons
strings
knuckles
__________ are the "strings" that attach to the bones in a human body. They are much like the strings that make the robot hand move.
ligaments
bones
muscle
tendons
To move our body parts, we have __________ that attach to the tendons which then move the bone.
skin
muscles
strings
capallaries
What are the two main reasons people are considered blind?
damage to the iris or white part
damage to the retina or cornea lens
damage to the cornea lens and iris
damage to the retina and white part
Why do people have blurry vision and have to wear glasses?
their eyes are foggy and need cleared out
the iris is too narrow
the retina is too close or too far from the pupil
the pupil doesn't adjust like it's supposed to in light and dark
The retina is attached to a "cord" called a ________________.
nerve
sting
extension
tendon
When the room gets dark, your pupils get ______________ to let in more _____________.
small; light
big; color
small; color
big; light
Sometimes when we take photographs with a flash, we may get "red-eye" in the picture. Why is that?
our iris turns red
the blood vessels reflect the iris color
the blood vessels reflect the light
the white part of our eyes reflect the light
Why can nocturnal animals see better in the dark than humans?
they are just luckier than us
their pupils get smaller
their pupils disappear
their pupils get larger
Some nerves are connected to our 5 senses; sight, smell, taste, touch, and hearing. These types of nerves are called __________ nerves and send signals TO our brain.
smelling
sensory
photogenic
movement
Some nerves are given directions FROM our brain, like move your fingers before they get smashed, after the brain makes a decision about the current situation.
touching
movement
sensory
tingly
What is the first of three steps the brain does when something happens?
it makes a decision
the brain sends out a message to react to the decision
it receives information from a sensory nerve
What is the second of three steps the brain does when something happens?
it makes a decision
the brain sends out a message to react to the decision
it receives information from a sensory nerve
What is the third of three steps the brain does when something happens?
it makes a decision
the brain sends out a message to react to the decision
it receives information from a sensory nerve
What would happen if you had no skeleton
you would not be able to move
you would not be affected
your brain would adjust
The skeleton of our body helps protect our _________.
bones
organs
thoughts
emotions
Why do some animals reflect a color when you flash a light on them?
it reflects the color of their iris
the white changes color
it reflects of the material in the back of their eye
it just does!
True or False: The brain is one of the most important organs.
true
false
Label part 1
retina
iris
pupil
cornea lens
Label part 2
retina
iris
pupil
cornea lens
Label part 3
retina
iris
pupil
cornea lens
Label part 4
retina
iris
pupil
cornea lens
Where does light enter the eye?
It enters through the white of the eye
It enters through the retina
It enters through the iris
It enters through the pupil
Explore all questions with a free account