3 Written questions
3 Multiple choice questions
- Each section of a myofibril in muscle.
- Unit of muscle fibers composed of thick myosin protein filaments and thin actin protein filaments.
- Theory that actin filaments slide toward each other during muscle contraction while the myosin filaments are still.
3 True/False questions
Involuntary muscle → muscle that contracts under conscious control.
Skeleton muscle → A type of voluntary muscle that is attached to and moves the bones of the skeleton.
Cardiac muscle → Type of involuntary muscle found in the walls of internal organs and blood vessels.