← Muscular System Test
5 Written Questions
5 Matching Questions
- What structure attaches a bone to a muscle?
- What is the sliding filament theory?
- True or False--The sliding filament model of contraction involves actin and myosin sliding past each other but not shortening.
- What is the ability of an electrical impulse to stimulate a muscle cell to contract?
- a tendon
- b True
- c http://i.quizlet.com/i/RatVgsAySsHOppCz-DJE-w.jpg
- d excitability
- e theory that actin filaments slide toward each other during muscle contraction, while the myosin filaments are still
5 Multiple Choice Questions
- Thick filament protein with a head and elongated tail, the heads form cross bridges with the thin filaments during muscle contraction
- acetylcholine (ACh)
- Electrical impulse that travels down the axon triggering the release of neurotransmitters
5 True/False Questions
sarcomere → http://i.quizlet.com/i/QT0VeS4z64YGxbvpIryyCQ.jpg
What is the sarcoplasmic reticulum? → an elaborate network of membranes in skeletal muscle cells that functions in calcium storage
muscle fiber → http://i.quizlet.com/i/YA5QZHhwLSHxvgq69LAi8A.jpg
List the structures in order from largest to smallest -sarcomere, myofibrils, muscle, actin & myosin, muscle fibers, fascicle → muscle, fascicles, muscle fibers, myofibrils, sarcomere, actin & myosin
What is the H Band? → supporting proteins that hold the thick filaments together in the H zone