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5 Written Questions

5 Matching Questions

  1. Systole (contraction) and Diastole (relaxation) are all part of the ___________?
  2. Where is the heart located?
  3. The human heart has 4 chambers, name them.
  4. Which are there more of, red blood cells or white blood cells?
  5. What is Fibrin?
  1. a The clotting mechanism.
  2. b It rests on the diaphragm, wedged between the lungs in the mediastinum of the thorax (mediastinum is the part of the thoracic cavity located between the lungs).
  3. c Cardiac cycle.
  4. d Red blood cells (they have no nucleus; cannot reproduce)
  5. e right atrium- it fills the right ventricle with blood.
    right ventricle - pumps to lungs
    left atrium - it fills the right ventricle
    left ventricle - pumps blood to systemic circulation.

5 Multiple Choice Questions

  1. In the bone marrow, according to the needs of the body.
  2. To prevent blood loss; important in clot formation.
  3. Function is to return deoxygenated blood to the heart; high amount of smooth muscle in walls.
  4. Where all of the important exchanges happen in the circulatory system. They are a single cell to aid fast and easy diffusion of gases.
  5. Red blood cells that carry the oxygen-carrying protein pigment hemoglobin in the circulation.

5 True/False Questions

  1. What is plasma?Fluid part of the blood, comprises 55% of the total blood volume and consists primarily of water (91.5%).


  2. What is Hemoglobin?Its an anti-clotting mechanism.


  3. The circulatory system is commonly known as what?prevents the heart from expanding too much, it hold the heart in position and encloses fluid.


  4. What is blood?Fluid part of the blood, comprises 55% of the total blood volume and consists primarily of water (91.5%).


  5. White blood cells (leukocytes) function is:Defense against infection. They have a nucleus and live hours to days at a time.


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