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5 Written questions

5 Matching questions

  1. skeletal muscle
  2. fish
  3. pressure in arteries
  4. hydra
  5. hepatic-portal
  1. a start in veins (deoxygenated blood) to atrium to ventricular to artery to gill capillaries and gas exchange occurs
  2. b - 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
  3. c -very high
    -walls expand and stretch
  4. d - multicellular
    - every cell is in direct contact with environment
    - cells are flagellated to circulate water within the gastrovascular cavity
  5. e contract around vein to push blood up

5 Multiple choice questions

  1. - 2 sides to heart
  2. -blood is not always contained in tubes
    -open ended vessels
    -fluid directly bathes cells
  3. - larger than your fist
    - located behind the sternum, left of center, between your lungs
  4. - small artery
    - carries oxygenated blood to body cells
  5. facilitates (helps) the exchange of materials
    -provides an internal transport system that brings substances and gases close to the cells for diffusion

5 True/False questions

  1. blood 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. organisms with open systemvertebrates, worms, etc.

          

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

          

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