"In every human body, there are millions of cells working around the clock. Different cells do different jobs, but all cells need food, so read about how to kepp them healthy. Find out what your lungs do and why people learn more easily when they're young. You'll understand why each one of us can be called a 'cell city'!" -- cover.
"In every human body, there are millions of cells working around the clock. Different cells do different jobs, but all cells need food, so read about how to kepp them healthy. Find out what your lungs do and why people learn more easily when they're young. You'll understand why each one of us can be called a 'cell city'!" -- cover.
General Note
Includes glossary, index, and discussion starters.
