What does the skin protect against?
smallpox A virus disease sun's heat cancer leukemia Pollution heat energy
A B C D E F G H
Pollution is the release of harmful substances into the environment.
the skin protects the body from pollution
What does the skin protect against? (A) smallpox (B) A virus (C) disease (D) sun's heat (E) cancer (F) leukemia (G) Pollution (H) heat energy