Species - One of the most basic units of biological classification, ranking just below the genus and comprising individuals or populations capable of interbreeding.⏎
White Blood Cell - A special type of cell that works as part of the immune system to defend the body against disease and infection.⏎
Tissue Culture - The process by which tissues are intentionally grown under controlled conditions.⏎
Trachea - The main trunk of the network of tubes that carries air to and from the lungs, sometimes referred to as the “windpipe.”⏎
Zoonoses - Any disease that can be transmitted from vertebrate animals to humans.⏎