1. What are the three types of muscle tissue that make up the muscular system and where can you find each type of muscle in the human body? A. B. C. 2. What connective tissue attaches skeletal muscles to bones? 3. What action allows muscle fibers to generate (give rise to or produce) force and motion? 4. Most skeletal muscles work in pairs to create movement. What specific muscle actions are needed to pick up a book? What specific muscle actions are necessary to put down the book? 5. What percentage of the body’s weight is due to skeletal muscles? 6. Which of the two types of skeletal muscle fibers is responsible for giving a sprinter a burst of energy at the start of the 100-meter dash? Which one will help the marathon runner finish the race? 7. Which muscle tissue types are controlled by the autonomous (working without our conscious control--we don’t have to tell them to work; the brain automatically takes control) nervous system? 8. How much of the body’s internal temperature is produced by contracting muscles? Site #2 Muscle Basics 9. How many skeletal muscles does the human body contain? 10. Explain the process by which muscle cells contract. Be sure to include the myofilaments that contain the proteins actin and myosin. 11. Explain how to strengthen your skeletal muscles over time. Be sure to include the processes involved in breaking down and building up your muscles. 12. Why do you need a good supply of protein in your diet to maintain or build muscle strength over time?