CARDIAC MUSCLE

• WHAT IS CARDIAC MUSCLE?

  thick muscular layer on the walls of heart
• WHAT ARE THE TWO CHARACTERISTICS OF CARDIAC MUSCLE?

  is myogenic and never fatigues
• WHAT DOES IT MEAN IF CARDIAC MUSCLE IS MYOGENIC?

  can contract/ relax without nervous/ hormonal stimulation
• WHAT DOES CARDIAC MUSCLE REQUIRE TO NEVER FATIGUE?

  constant oxygen supply