Functions
What function sends and receives messages between the brain and the rest of the body?
Nervous System
Materials such as windows, plexiglass, a glass cup, and water let all light through.
Transparent
Hoes does sound travel?
In waves
What system allows the body to move?
Muscular System
What system provides framework and structure for the body?
Skeletal System
Materials such as tissue paper, sunglasses, and stained glass let most light through.
Translucent
The term for how high or low a sound is
What is one thing the skeletal system does?
A. Helps us breathe
B. Protects our organs
C. Pumps blood to the rest of our body
D. Help us see
B
What system moves blood and oxygen throughout the entire body?
Circulatory System
Materials such as a book, a desk, a piece of construction paper that lets none of the light through.
Opaque
The term for how loud or soft a sound is
Volume
What are the sense organs of the central nervous system?
Eyes, Ears, Nose and Tongue
What system allows oxygen to enter and carbon dioxide to leave the body?
Respiratory System
Why does your pupil get larger when the room is dark?
To allow more light in
Sound waves are created by vibrations. True or False
True
How does light enter the eye?
Cornea - Pupil - Iris - Retina
What system breaks down food and uses nutrients in the body?
Digestive System
What is the colored part of your eye called?
Iris
The _____ of a wave is simply the length of one complete wave cycle.
wavelength
What organs make up your nervous system?
Brain, spinal cord, nerves