When you breathe in air, the air travels from your nose, down your trachea (windpipe), and into your lungs.
Find out everything there is to know about whales and stay updated on the latest whale news with the comprehensive articles, interactive features and whale pictures at LiveScience.com. Learn more about these fascinating creatures as scientists continue to make amazing discoveries about whales.
Four rescued baby pilot whales have been taken to SeaWorld Orlando after washing up on a Florida beach.
Whale sharks are known to be the largest of their kind and can grow up to 40 feet and weigh unto 15 tons.