Select your answer:

Topics:
Lipid Metabolism Excretion in Humans Skeletal Muscle Anatomy Bacteria & Viruses Ear/Eye Medical Terms Cells, Tissues and Organs Psychology Vocabulary Body Fluids and Blood Cells Homeostasis Nail Nucleic Acids Corona Blood Bone LungsOther quiz:
Disease as a Failure of Homeostasis › ViewThe body is protected against harmful flu viruses by
A. red blood cells and hormones
B. white blood cells and antibodies
C. white blood cells and enzymes
D. red blood cells and antibodies
Communicable Diseases and Immune Response (OCR) › View
What type of immunity happens as a result of antibodies passed from the mother to a fetus during pregnancy?
A. Artificial active
B. Artificial passive
C. Natural active
D. Natural passive