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5 Written Questions

5 Matching Questions

  1. septum
  2. capillary
  3. varicose veins
  4. closed system
  5. earthworm
  1. a - 'knotted' appearance
    - veins swell because valves wont close properly and sections get overfilled
  2. b -blood is always confined in tubes
    -blood is separate from interstitial fluid that directly bathes the tissues
  3. c separates the right and left sides and prevents the mixing of blood
  4. d - 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. e -site of diffusion
    -exchange of the substances and gases
    - 'leaky' so white blood cells can leave to fight infection
    - micorscopic

5 Multiple Choice Questions

  1. - nutrients are picked up by capillaries in stomach and small intestine and transported to the liver
    - liver detox blood
    - excess nutrients is stored in liver
  2. start in veins (deoxygenated blood) to atrium to ventricular to artery to gill capillaries and gas exchange occurs
  3. the rhythmic stretching/expansion of the arteries caused by pressure of blood during ventricular systole
  4. - spread over the surface of the heart
    - blood supply that goes to the heart
  5. contract around vein to push blood up

5 True/False Questions

  1. systolic pressurethe pressure during ventricular systole

          

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

          

  3. artery- small artery
    - carries oxygenated blood to body cells

          

  4. rate is regulated by...the number of heart beats per minute

          

  5. protistsstart in veins (deoxygenated blood) to atrium to ventricular to artery to gill capillaries and gas exchange occurs

          

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