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5 Written questions

5 Matching questions

  1. What is the function of the circulatory system?
  2. Where is the heart located?
  3. How is the blood supplied to the heart?
  4. What are erythrocytes?
  5. The human heart has 4 chambers, name them.
  1. a 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.
  2. b Red blood cells that carry the oxygen-carrying protein pigment hemoglobin in the circulation.
  3. c 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).
  4. d By the coronary arteries.
  5. e Its an important communication and transport channel with networks, in the form of blood vessels, linking various tissues.

5 Multiple choice questions

  1. Where all of the important exchanges happen in the circulatory system. They are a single cell to aid fast and easy diffusion of gases.
  2. "Faucet" regulates blood pressure; delivers blood to the capillaries.
  3. Defense against infection. They have a nucleus and live hours to days at a time.
  4. A few days to a couple of months.
  5. The Cardiovascular System.

5 True/False questions

  1. The heart is surrouned by a serous sac reinforced by dense connective tissue called the ?Pericardium

          

  2. We have more veins than we do have arteries, true or false?True!

          

  3. Name the 5 types of white blood cells.1) Neutrophils (the most common are phagocytic; 55% - 70% of total white blood count). They seek out bacteria and ingest and kill them. They are near sites of injury2) Eosinophils (2-5% of total blood count). They attack parasites and are responsible for allergic response within the blood.3) Basophils (less than 1% of total wbc count) secrete anti-coagulant and antibodies. 4) Monocytes (5%-8% in total wbc count) are the largest of the wbc and they act as macrophages and remove foreign particles; play a key role in immunity. 5) Lymphocytes role in recognizing self and nonself, they can only recognize certain antigens.

          

  4. There are 5 types of blood vessels. Name them.1- Largest is arteries
    2- Arterioles (smallest artery)
    3-Capillaries (from the arterioles)
    4- Venules (capillaries join to form venules) which begin the process of returning blood to the heard.
    5- Veins (venules join to form veins), the larger blood vessels which complete the return of blood from capillaries to the heart.

          

  5. Blood contributes 8% of the body weight. True or FalseTrue.

          

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