Select your answer:
Topics:
Gene Cloning Pathogens, Disease and Immunity Cell Cycle; Cancer Unintentional Injuries Body Structures and Organ Systems Transport System Dermatology Vocabulary Neurological Disorders Medicine on the Western Front Cell Theory and Cell Organelles Introduction to Histology Excretion The Brain Our Control Center Covid-19 PHYSIOLOGY OF KIDNEYOther quiz:
Movement › ViewWhat is the purpose of white blood cells?
A. To carry oxygen
B. To protect against infection
C. To speed up digestion
D. To trap dirt and dust
Germs & Diseases › View
What is one way a pathogen can enter the body?
A. Nose
B. Mouth
C. Broken Skin
D. All of the Aove