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5 Written questions

5 Matching questions

  1. protists
  2. veins
  3. pulmonary circuit
  4. capillary
  5. systemic circuit
  1. a carries blood between the heart and all the parts of the body except the lungs
  2. b - majority carries deoxygenated blood to the heart (except pulmonary vein)
    - thin walled
  3. c carried blood between the heart and the lungs
  4. d -site of diffusion
    -exchange of the substances and gases
    - 'leaky' so white blood cells can leave to fight infection
    - micorscopic
  5. e - do not have a circulatory system
    - freshwater
    - direct contact with environment
    - diffusion and active transport brings materials in

5 Multiple choice questions

  1. facilitates (helps) the exchange of materials
    -provides an internal transport system that brings substances and gases close to the cells for diffusion
  2. - small veins
    - carries deoxygenated blood to the heart
  3. contract around vein to push blood up
  4. (blood vessels) vascular system
  5. vertebrates, worms, etc.

5 True/False questions

  1. hepatic-portal- 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. pulsethe rhythmic stretching/expansion of the arteries caused by pressure of blood during ventricular systole


  3. heart rate- carries blood away from heart
    - majority carries oxygenated blood to body cells
    - smooth muscle causes to be thicker
    - only aortic and pulmonary arteries have valves


  4. pressure in capillary beds-very high
    -walls expand and stretch


  5. closed system-blood is not always contained in tubes
    -open ended vessels
    -fluid directly bathes cells