Bones and Muscles
Would you be able to move if you had muscles but didn't have bones? Why or why not?
No because you would look like a puddle on the ground without bones
What makes our pupils get smaller or bigger?
Amount of light
In the "Think Fast" ruler activity, what were we testing?
Reaction Time
In the human body, what are joints?
where two bones come together and can bend
Why does your pupil get larger when the room is dark?
To allow more light into your eye
What part of your body acts like the "control center"?
The brain
A ______ attaches the muscle to the bone.
tendon
Why can nocturnal animals see better in the dark than we can?
Because they can make their pupils larger than humans can
What's the difference between movement and sensory nerves?
Movement nerves - from the brain to the MUSCLES
Sensory nerves - from the 5 SENSES (sight, taste, sound, smell, touch) to the brain
Why must your bones and muscles work together?
Allows your body to have support and movement.
Why do some people have blurry vision?
Their eyeball is too short or too long
What are the 3 steps that occur when the brain processes information?
1. takes in information
2. makes decisions
3. controls your muscles
What are some ways that our bodies are similar to robots? Give at least one example.
- We both need fuel (Robots run off batteries & Humans run off food).
- Robots have a computer that tells them what to do & Humans have our brain.
- Movement (Robots have similar functioning body parts)
How did you make an image more clear in our eye model experiment?
Change the distance between the retina and cornea lens.
How do movement and sensory nerves work together?
They allow the brain to receive information about the environment and send send signals to the body.