A&P

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1. Diffusion of gases is the transfer of molecules

  • from an area of high concentration to an area of low concentration
  • from an area of low concentration to an area of high concentration that requires cellular energy
  • from an area of low concentration to an area of high concentration
  • from an area of high concentration to an area of low concentration that requires cellular energy
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2. The inner lining of the heart is known as;

  • septum
  • endocardium
  • myocardium
  • pericardium

3. carbohydrates contain units called

  • steroids
  • phosphate groups
  • monosacharides
  • amino acids

4. Which statement reflects the four major processes involved in respiration

  • pulmonary ventilation, external respiration, transport of respiratory gases, internal respiration
  • inspiration, expiration, external respiration, transport of respiratory gases.
  • inspiration, expiration, pulmonary ventilation, transport of respiratory gases
  • pulmonary ventilation, inspiration, external respiration, expiration

5. Gas exchange between pulmonary capillaries and pulmonary alveoli occurs as a result of

  • breathing
  • diffusion
  • active transport
  • osmosis
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