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.⏎
Vector - An organism (usually an arthropod such as a flea, mosquito, or tick) that carries an infectious agent from one host to another.⏎
Trachea - The main trunk of the network of tubes that carries air to and from the lungs, sometimes referred to as the “windpipe.”⏎
Yeast - A broad group of microscopic fungi that includes harmless forms of yeast used in baking and alcoholic fermentation as well as pathogenic species that can cause disease.⏎