Muscles make uo more than ___ of a person's body mass.
A.10%
B.25%
C.40%
D.75%​

The dimesions of health operate independently; they don’t affect one another. t or f

In 2009, 40% of all bicyclist fatalities occurred when the bicyclist, the driver, or both vehicle operators were

Explain why many people are concerned about uv rays? explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?