Circulatory System

• Circulatory System (Cardiovascular System) - it is the life support structure that nourishes your cells. It functions with other body system to deliver different materials in the body.
• Parts of Circulatory Systems

  • Heart

  • Blood Vessels

  • Arteries

  • Veins

  • Capillaries

  • Blood
• Heart - the main organ of the circulatory system and it pumps blood throughout the body.
• Veins - carry blood towards the heart.
• Arteries - carry blood away from the heart.
• Capillaries - the smallest blood vessel in the body.
• 3 types of blood vessels

  • Veins

  • Arteries

  • Capillaries
• Blood - it carries the material throughout the body.
• The heart is hollow muscle, which is as big as your fist.
• Our heart has 4 chambers.