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  • This circulation moves deoxygenated blood to the lungs.
    Pulmonary Circulation
  • The tip of the heart pointing downward is called..
    Apex
  • What shape is the heart described as?
    Hollow, cone-shaped.
  • What component fights diseases and protects the body from infection
    White Blood Cells
  • Where does the blood go after it leaves the heart?
    Blood Vessels (Arteries, Veins, Capillaries)
  • Name the four main components of blood.
    Red Blood Cells, White Blood Cells, Platelets, Plasma
  • What do you call the straw-colored liquid carries blood components.
    Plasma
  • How many chambers does the heart have?
    Four Chambers
  • This carries oxygen, nutrients, and wastes throughout the body.
    Red Blood Cells
  • Which part of the heart forms the majority of the heart’s anterior surface
    Right Ventricle
  • Which chambers of the heart receive blood?
    Right Atrium and Left Atrium
  • How much does the heart approximately weigh?
    Less than a pound.
  • Which blood vessel has the thickest wall?
    Arteries
  • It is a special fluid primarily contained with the blood vessels.
    Blood
  • Which heart valves open when the heart relaxes and close when it contracts?
    Atrioventricular (AV) valves
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