How strong is your knowledge of muscles?

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Across
  1. 5. What is the word that we described as the ability to do high intensity exercise for more than 5 minutes?
  2. 7. What is the name of thin myofilament?
  3. 8. What is one attribute of skeletal muscle that alternates between light and dark that smooth muscle doesn’t have?
  4. 9. What is the name of the muscle that lines the inside of our internal organs?
  5. 10. What is the type of contraction called when you shorten your muscle but the tension within the muscle stays the same?
Down
  1. 1. What must stimulate a skeletal muscle for it to contract?
  2. 2. What is the name of the thick myofilament of muscle?
  3. 3. What is what characteristic of muscle that allows you to complete a bicep curl?
  4. 4. What is the name of the unit of muscle that shortens and relaxes upon contraction?
  5. 6. What characteristic of muscle allows it to return to its normal length after being stretched?
  6. 11. Considering that thin and thick filaments do not change length, what is a word that starts with O that happens when the muscle shortens?
  7. 12. Aerobic respiration, the process that produces more ATP, requires what molecule?