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of 57 available terms

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5 Written Questions

5 Matching Questions

  1. heart rate
  2. coronary
  3. systolic pressure
  4. organisms with open system
  5. pericardium
  1. a - spread over the surface of the heart
    - blood supply that goes to the heart
  2. b the number of heart beats per minute
  3. c insects, arthropods, mollusks (clams and scallops), etc.
  4. d a tough, protective membrane that covers the heart
  5. e the pressure during ventricular systole

5 Multiple Choice Questions

  1. ECG or EKG
    - measures the electricity going through the heart
  2. - small artery
    - carries oxygenated blood to body cells
  3. separates the right and left sides and prevents the mixing of blood
  4. Open and Closed
  5. in septum between atria
    - relays impulses to muscle cells of the ventricles

5 True/False Questions

  1. pumpsomething to force fluid throughout the organism


  2. cyclosiscontraction phase (LUB)
    - AV valves closed
    - SL valves open


  3. sinoatirial (SA) nodethe pacemaker: specialized group of muscle cells in right atrium
    - initiates its own impulses to for the heart to contract


  4. earthworm- dorsal vessel is along the back
    - 5 aortic arches
    - ventricular vessel is close to ground
    - blood carries nutrients, gases, waste
    -contains hemoglobin (which carries more oxygen)


  5. 4 chambers in the heart-very high
    -walls expand and stretch


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