Medical Quiz

Musculoskeletal System Quiz

What is a crossbridge?
A. Where myosin binds to actin
B. Where the calcium crosses into the cytoplasm
C. Where calcium binds with troponin
D. None of the answers are correct.

Select your answer:
A  B  C  D  E 


Lung & Breathing Body System The Cardiovascular System: Blood Vessels and Hemodynamics Health Unit Coordinating Microorganisms, Health and Diseases Diagnostics and Pathology Reports Anatomy: Muscle Introduction to Histology The Circulatory System Terms and Definitions - Diseases Life Cycle - Bee Counseling: Fact or Myth? Meiosis and intro to Genetics ADVBIO Genetics Inhalation Injury

Other quiz: Beneath the Skin

The main organ of your respiratory system is the

A. heart

B. lungs

C. blood vessels

D. nose