CIRCULATORY SYSTEM

• It is a muscular organ that pumps blood around the body.

  Heart
• The Circulatory System can also be defined as...

  Cardiovascular System
• It is an organ which include the arteries, veins, and capillaries.

  Blood Vessels
• It is made up of red and white blood cells, plasma, and platelets.

  Blood
• It is a muscular organ in the chest that pumps blood through blood vessels when it contracts.

  Heart
• It is a fluid connective tissue that circulates throughout the body through blood vessels.

  Blood
• What are the three types of blood vessels?

  1. Arteries
  2. Veins
  3. Capillaries
• These are blood vessels that carry blood away from the heart. Most of them carry oxygen-rich blood, and one of their main functions is distributing oxygen to tissues throughout the body.

  Arteries
• It refers to the smallest arteries.

  Arterioles
• These are blood vessels that carry blood toward the heart. Most of them carry deoxygenated blood.

  Veins
• It refers to the smallest veins.

  Venules
• These are the smallest blood vessels. They connect arterioles and venules. As they pass through tissues, they exchange substances including oxygen with cells.

  Capillaries