★ Germs Quiz
What is the system of your body that fights off diseases?
A. Endocrine
B. Immune
C. Respiratory
D. Circulatory
Select your answer:

Topics:
Parathyroid Gland Cell Structure and Functions Stimuli and Responses in Humans Axial & Appendicular Skeleton Eye and Ear Nervous System Functioning Excretion in Humans Skeletal Tissue Chemistry Pulmonary System Cell Transport Excretory and Musculoskeletal System Nervous System Agents of Disease Types of Medical ReportsOther quiz:
Polio › ViewWho invented the Polio vaccine?
A. Joseph Stalin
B. Jonas Salk
C. Jasper Liu
D. Louis Pasteur
Muscular System NCHSE › View
What would cause a muscle contracture?
A. Inactivity
B. Overuse
C. Pulling
D. Twisting