Muscular system

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Across
  1. 2. the brain is housed inside the bony covering called the ----------.he protects the brain from injury. Together, the cranium and bones that protect the face are called the skull.
  2. 5. there are more than 600 ------- in your body
  3. 7. muscles, attached to bones or --------- organs and blood vessels, are responsible for movement. Nearly all movement in the body is the result of muscle contraction.
  4. 8. The ----- is one of the most important muscles in your body
  5. 9. what system gives the muscular system oxygen
Down
  1. 1. This system pumps blood and oxygen to work the muscles
  2. 3. the --------system is composed of specialized cells called muscle fibers. Their predominant function is contractibility
  3. 4. The organs in the muscle system ---------, smooth, and cardiac muscles
  4. 6. One of the two skeletal muscles that moves you forearm