Cardiovascular System

• transports nutrients, wastes, and gases

  Circulatory System
• for exchange and transport of gases

  Respiratory System
• transports wastes to organs of excretion, which move them out of the body

  Excretory System
• processes and transports nutrients

  Digestive system
• The circulatory system does not pass through enclosed tubes, instead, it is pumped by the heart in a network of channels and cavities (hemocoels) throughout the body; respiration also happens in the hemocoels.

  Open Circulatory System
• -uses body fluids for circulation.-Accomplished by moving  the body against fluids that  are directly in contact with  tissues & organs

  Closed Circulatory System
• The ancient Egyptians believed the  heart controlled the mind and soul, and that it was the  center of morality.
• ancient Chinese culture believes that the heart is  the root of the body, mind and soul of life.
• It is viewed as  the organ of conscience, the origin of human action,  imagination, determination, emotion, love, virtue and vice,  good and evil, humility and pride

  Heart
• The heart is revealed as  the "inner" person
• In the  West, the heart has evolved as a  symbol of love, in both romantic  and religious spheres.
• In the East,  it is seen as a symbol of wisdom  and spirituality.
• midline partion of the heart is called?

  mediastinum
• surrounds the heart & anchors it within the mediastinum; forms the pericardial cavity

  pericardium sac
• 2 layers of the pericardium:

  Fibrous and Serous
• tough, outer layer of pericardium

  Fibrous
• thin inner layer of pericardium 

  Serous
• lines the fibrous pericardium

  Parietal Pericardium
• covers heart surface

  Visceral
• fills  pericardial the cavity between the parietal pericardium & visceral pericardium

  Pericardial Fluid
• on the base of the heart; receiving chambers

  Right and Left Atria
• extend from base to apex; discharging chambers

  Right and Left Ventricles
• separates atria from ventricles

  Coronary sulcus
• that splits into R & L

  Pulmonary Trunk
• arise from Right Ventricle & carry blood to the lungs

  Pulmonary Arteries
• arising from Left Ventricle; carries blood to all body parts

  Aorta