Microscopic structure of muscles

• What does sarcoplasm contain?

  Mitochondria

  Myoglobin

  Adenosine triphosphate

  Enzymes

  Actin and myosin filaments
• What do mitochondria contain?

  Aerobic energy is produced here
• What does myoglobin contain?

  Carries 02 to mitochondria
• What does adenosine triphosphate contain?

  An immediate fuel source
• What do enzymes contain?

  Chemicals that speed up chemical reactions in body.
• What do action and myosin filaments contain?

  contractile proteines