Multiple choice

Which among the following does not characterise the cardiovascular system of the human body?

  1. The elastic arteries are the major branches of aorta.

  2. The systemic and pulmonary circulations are perfused in series.

  3. Perfusion of the systemic circulation requires a much higher pressure.

  4. Blood re-enters the heart through the venae cavae.

  5. The cardiovascular system electrolytes to the body cells and nullify thermoregulation.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The key functions of the cardiovascular system are: Distribution of O2, water, electrolytes and nutrients to all body tissues; transportation of CO2 and metabolic waste products from the tissues to the lungs and kidneys; and thermoregulation.

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