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5 Written questions

5 Matching questions

  1. cardiovascular system
  2. normal blood pressure
  3. systolic
  4. organisms with closed systems
  5. venule
  1. a contraction phase (LUB)
    - AV valves closed
    - SL valves open
  2. b - small veins
    - carries deoxygenated blood to the heart
  3. c vertebrates, worms, etc.
  4. d cardio- heart
    vascular- veins/arteries/blood vessles
  5. e under 120/80

5 Multiple choice questions

  1. (blood vessels) vascular system
  2. -site of diffusion
    -exchange of the substances and gases
    - 'leaky' so white blood cells can leave to fight infection
    - micorscopic
  3. 1. vagus nerve (slows down heart rate)
    2. cardio accelerator (speeds up heart rate)
    3. horomones (epinephrine increases h.r.)
    4. emotions, coffee/tea, body temp.
  4. - larger than your fist
    - located behind the sternum, left of center, between your lungs
  5. - majority carries deoxygenated blood to the heart (except pulmonary vein)
    - thin walled

5 True/False questions

  1. grasshopper- colorless blood= no hemoglobin because blood doesn't transport gases
    - blood only transports nutrients and waste
    - blood kept in motion in spaces by grasshopper moving and breathing


  2. cyclosis- cytoplasmic streaming
    - materials moving in cell cytoplasm


  3. 2 types of circulatory systemsfacilitates (helps) the exchange of materials
    -provides an internal transport system that brings substances and gases close to the cells for diffusion


  4. artery- 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


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


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