circulatory system

Cards (12)

  • The circulatory system is the organ system that transports oxygen and nutrients throughout the body and carries wastes. It's made of the heart, blood and blood vessels
  • our blood
  • what is blood made of?
    blood cells, plasma, platelets
  • red blood cells

    contains a protein called hemogobin which allows it to carry oxygen
  • white blood cells
    recognises and destroys bacteria and viruses
  • plasma
    protein rich liquid that carries blood cells
  • the heart
  • blood vessels
  • Coronary artery disease: a buildup of plaque (fat, cholesterol, calcium, ...) in the coronary arteries, which can lead to heart attack
    Symtoms: tiredness, dizziness, pain/pressure/burning sensation in the upper body, nausea, shortness of breath, sweating, ...
  • what can disrupt the regular beat of the heart?
    physical activity, stress, health, temperature
  • Which way do arteries and veins carry blood?
    arteries carry blood away from the heart, veins towards
  • what are capillaries?
    tiny blood vessels that let substances diffuse in and out of blood