Did you know the skin is the body's largest organ? It acts as a barrier against wetness, sun damage, and infection. Learn more about the skin and its crucial functions for the human body in this video.
Come up with questions about a topic and learn new vocabulary words to determine answers using an Ask, Answer, Learn table.
Some stripes may look good, but some stripes spell troubles.
Covers the role and anatomy of hair, the role of the sebaceous glands, the types of sweat glands, and the structure of nails.