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5 Written questions

5 Matching questions

  1. valve
  2. heart is
  3. veins
  4. varicose veins
  5. skeletal muscle
  1. a contract around vein to push blood up
  2. b - 'knotted' appearance
    - veins swell because valves wont close properly and sections get overfilled
  3. c - majority carries deoxygenated blood to the heart (except pulmonary vein)
    - thin walled
  4. d open and close to prevent back flow of blood
  5. e - larger than your fist
    - located behind the sternum, left of center, between your lungs

5 Multiple choice questions

  1. separates the right and left sides and prevents the mixing of blood
  2. facilitates (helps) the exchange of materials
    -provides an internal transport system that brings substances and gases close to the cells for diffusion
  3. carried blood between the heart and the lungs
  4. involuntary muscle
    - individual cells with single nucleus per cell
    - forms branching interlocking network to withstand force of contractions
  5. -site of diffusion
    -exchange of the substances and gases
    - 'leaky' so white blood cells can leave to fight infection
    - micorscopic

5 True/False questions

  1. coronary- spread over the surface of the heart
    - blood supply that goes to the heart

          

  2. open system-blood is always confined in tubes
    -blood is separate from interstitial fluid that directly bathes the tissues

          

  3. pressure in arteries-very high
    -walls expand and stretch

          

  4. diastoliccontraction phase (LUB)
    - AV valves closed
    - SL valves open

          

  5. 4 chambers in the heart- 'knotted' appearance
    - veins swell because valves wont close properly and sections get overfilled

          

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