★ Body Defense Quiz
What is the name given to the substances in your tears that can destroy pathogens?
A. lysozymes
B. enzymes
C. tears
Select your answer:

Topics:
Vitamin Anatomy and Physiology- Cardiovascular Sysytem Weight Management Dermatology Viruses Medical Terminology Gastroinestinal Gastroenterology Infection Control Cells and Organ Systems Blood and Bones Vitamins and Minerals Medical Terminology Macromolecules & Nutrients Biochemistry: Carbohydrates and Lipids World Health Day Smoking Related DiseasesOther quiz:
Liveability › ViewAccess to services e.g. shops and schools are examples of liveability criteria
A. TRUE
B. FALSE
Ecology › View
Natural selection is best described as
A. a change in an organism in response to a need of that organism
B. a process of nearly constant improvement that leads to an organism that is nearly perfect
C. differences in survival rates as a result of different inherited characteristics
D. inheritance of characteristics acquired during the life of an organism