Muscular System

• how many muscles in the human body?

  650
• what are the three types of muscles

  smooth, cardiac, skeletal
• which muscles are involuntary?


  smooth and cardiac
• which muscle is voluntary

  skeletal
• the muscles connected to the bones is called?


  skeletal
• muscles found in the heart

  cardiac
• what muscle works in pairs

  skeletal
• what is the rhythmic movement that pushes the chewed food into the esophagus?

  peristalsis
• it is a uncontrolled and painful contraction of one or more muscles


  cramp
• when the muscles are too stretched


  strain
• occurs when your muscles suffer a hard blow or hit a hard surface

  bruise
• the weakening of the muscles that hold the bones together. it is hereditary

  muscular dystrophy
• muscular fatigue and weakness

  myathenia gravis
• how does a muscle pull a bone?

  it contracts