3. Muscle is tissue in the body that can A. contract B. voluntary C. heart beat D. stretchy fibers 4. All muscles need a type of energy called A. balance B. contract C. glucose D. heart beat Muscles are bundles of and rela 5. 6. 7. A. stretchy fibers B. joints C. contract D. voluntary Every move our body makes is controlled by this. A. smooth B. cardiac C. muscle D. balance Muscles help the body with posture and A. joints B. stretchy fibers C. smooth D. balance 8. There are 3 types of muscles in the body, skeletal, cardiac and A. glucose B. muscle C. smooth D. heart beat 9. This is an example and a involuntary muscle. A heart beat B. contract C. voluntary D. cardiac