Bones and Muscles (Science Experiments)
Hard and spongy
Bone Loss: How does the loss of calcium affect bone strength?
Design Your Own Experiment
Whenever you run, sit, walk, or even stand, your bones and muscles are working together in the activity. Bones are similar to the framework of a building; they provide the shape and protection. Our bones also produce our much-needed supply of daily blood cellsbout 200 billion a day! They are the holding places for minerals and other key substances the body needs.
Many muscles are attached to bones and they pull the bones for movement. Other muscles provide much-needed functions for daily life. Even when you are just sitting still, your muscles are at work. They are allowing you to breath, swallow, smile, and even move your eyes. And it is a muscle that powers your entire bodyhe heart muscle. Working nonstop through a person's life, this vital muscle beats an average of seventy times per minute.
An adult body has about 206 bones. The number varies from person to person because of differences in the number of small bones. Some bones are responsible for movement,...
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