★ Immune System Quiz
Produced by B cells and designed to mark antigens to be destroyed.
A. Antigens
B. Active Immunity
C. Antibodies
D. Antibiotics
Select your answer:

Topics:
Cell Diversity - Organization, Tissues, Plants and Animals Nutrients in Food Branches of Microbiology Stroke Nutrition and Human Digestive System Infectious Disease and Pathogens The Digestive System Speed, Flexibility part of Components of Physical Fitness RDA Dental Caries Eye Musculoskeletal Blood and Bones Cell Confusion, Dementia, & Alzheimers Disease Agents of DiseaseOther quiz:
Urinary System › ViewWhat stage is number 2
A. Filtration
B. Reasbsorption
C. Secretion
D. Excretion
Body Systems › View
The air sacs that are covered with capillaries where gas exchange takes place
A. bronchi
B. lungs
C. oxygen
D. alveoli