Other questions in this quiz

2. Mammals including humans have a double circulation, what does that mean?

  • The mammalian blood vessels are double the length of other animals
  • The thickness of the cardiac muscle is at least two times thicker than other animals.
  • The blood visits the heart twice on its journey through two circuits
  • Blood volume doubles as it passes through the heart

3. The heart valve that separate the right atrium from the right ventricle is called

  • The semilunar valve
  • The tricuspid valve
  • The bicuspid valve
  • The mitral valve

4. The thickest walls of the heart are found in

  • The left atrium
  • The left ventricle
  • The right ventricle
  • The right atrium

5. Capillaries are

  • Made up of a single layer of squamous epithelial cells with valves
  • Made up of a single layer of squamous epithelial cells
  • Made up of very thin muscular tunica
  • Made up of multiple elastic layers of connective tissue

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