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Circulatory System - MST1250 (Rob's Class0 Test

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5 Written Questions

5 Matching Questions

  1. What are arteriolles?
  2. What is Hemoglobin?
  3. What is blood?
  4. We have more veins than we do have arteries, true or false?
  5. What is the primary function of the heart?
  1. a "Faucet" regulates blood pressure; delivers blood to the capillaries.
  2. b True!
  3. c Liquid connective tissue that transports oxygen and nutrients throughout the body.
  4. d Its oxygen carrying component of red blood gives the cells their red color. It helps transport oxygen as well as carbon dioxide. It is also a buffer, preventing rapid changes in the blood pH.
  5. e Pump blood throughout the entire body.

5 Multiple Choice Questions

  1. It rests on the diaphragm, wedged between the lungs in the mediastinum of the thorax (mediastinum is the part of the thoracic cavity located between the lungs).
  2. Its an important communication and transport channel with networks, in the form of blood vessels, linking various tissues.
  3. carbon dioxide, urea acid, ketone from fat
  4. prevents the heart from expanding too much, it hold the heart in position and encloses fluid.
  5. Red blood cells (they have no nucleus; cannot reproduce)

5 True/False Questions

  1. Two mechanisms that regulate the circulatory system are?Neural and Endocrine


  2. Platelets, also called thrombocytes are the smallest of the cells in the blood. What is their function?To prevent blood loss; important in clot formation.


  3. Death and destruction of blood cells last how long?A few days to a couple of months.


  4. There are 5 types of blood vessels. Name them.right atrium- it fills the right ventricle with blood.
    right ventricle - pumps to lungs
    left atrium - it fills the right ventricle
    left ventricle - pumps blood to systemic circulation.


  5. Red Blood Cells are formed where?120 days about.


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