Other questions in this quiz

2. what is the structure of a capillary

  • small lumen thick outter walls
  • very small lumen and one cell thick to aid diffusion
  • large lumen and thick outer walls

3. what is the function of platelets

  • forms clots to prevent bleeding and prevents bacteria from getting into the blood stream
  • contains hemoglobin that transports oxygen around the body
  • releases antibodies to protect the body

4. what is the function of phagocytes

  • WBC. ingest bacteria and pathogens found in the blood
  • WBC. part of the immune system that helps to protect the body from pathogens

5. what is the structure of an artery

  • Has a thick outer wall, thick layer of muscles and elastic fibers, small lumen. blood is under a high amount of pressure
  • Has a thin outer wall, thin layer of muscles and elastic fibers, large lumen. blood is under a low amount of pressure and contains valves to prevent backwards blood flow
  • very small lumen and single layer of cells

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