Select your answer:
Topics:
Immune Response Gene Expression PHYSIOLOGY OF KIDNEY Forensic Pathology (Autopsy) Assessment Effects of Exercise on the Musculoskeletal System Viruses and Prions Digestive System and Nutrition Disabilities Blood and Bones DNA & Types of Reproduction Cardiovascular System Smoking Related Diseases Diseases & Disorders Cardiovascular and Respiratory VitalsOther quiz:
Anatomy - Muscle Histology/NMJ/Physiology › ViewWhich of these occurs first during a muscle contraction?
A. The nerve signal reaches the neuromuscular junction
B. Ach is released and opens Na ion channels
C. The sarcomere shortens
D. The myosin binds to the actin
Respiratory System › View
Caused by inhaling tar in cigarrette smoke
A. Bronchitis
B. Lung cancer
C. Asthma
D. Respiratory infections