In the space provided before each statement, write the word True if the statement is correct. Write False if you think that the statement is incorrect. There are 320 skeletal muscles in the human body. The skeletal muscles move voluntarily. All muscles are of the same size. All muscles are of the same shape. Skeletal muscles are attached to bones. Tendons attach muscles to bones. Muscles primarily work by contracting. Contracting one's muscles makes bones move away from each other. The triceps and biceps of the upper arm are examples of synergistic muscles. 10. Opponent muscles contract at the same time. 2. 3. 4. 5. 7. 8. 9.​