2.2 components

• Cardiovascular system is made of three components:

  • Heart
  • Vessels
  • Blood
• The heart is a fist-sized vital organ that has one job: to pump blood
• The vessels are the channels through which blood, nutrients, and wastes flow and transport
• Blood is a body fluid in the circulatory system of humans
• Blood is composed of blood cells suspended in blood plasma
• Components and Parts of Heart

  A) Superior vena cava

  B) right lung

  C) right auricle

  D) Right Atrium

  E) Right Ventricle

  F) ribs

  G) mediastinum

  H) aorta

  I) pulmonary trunk

  J) left auricle

  K) left lung

  L) Left Ventricle

  M) pericardial cavity

  N) apex

  O) diaphragm