Muscle HW

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Across
  1. 3. ________ is the process of a biological system maintaining stability by adjusting to outside conditions.
  2. 5. An ________ muscle is a muscle that moves without conscious control.
  3. 6. ________ muscle cells are located in muscles that are attached to the skeleton, and appear striated.
  4. 10. The hormone that decreases heart rate and muscle activity is _______.
  5. 11. ________ pairs of muscles create movement when one contracts and the other relaxes.
  6. 12. The type of muscle that is located in the walls of hollow organs, and is spindle-shaped is a _______ muscle.
Down
  1. 1. A muscle you consciously choose to move is a ________ muscle.
  2. 2. The defect that involves a hole in the wall that separates the ventricles of the heart is called ________.
  3. 4. There are about ________ muscles in the human body (write number out).
  4. 7. The hormone that enhances respiration and increases muscle activity is _______.
  5. 8. Muscles that are located in the walls of the heart, and appear striated are _______ muscles.
  6. 9. A _______ is a band of tough, fibrous tissue, that connects a muscle to a bone.