Circulatory System MCQs Quiz Online PDF Download

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MCQs on Circulatory System Quiz PDF Download

MCQ: In vertebrates blood flows in

  1. close circulatory system
  2. open circulatory system
  3. both
  4. anticlockwise

A

MCQ: Walls of capillaries are made up of cells named as

  1. mesophyll
  2. endothelium
  3. epithelial
  4. endoplasm

B

MCQ: Capillaries help to exchange substances between blood and

  1. cells
  2. tissue
  3. muscles
  4. bone marrow

B

MCQ: Arteries have thick elastic walls so that they can maintain the

  1. blood pressure
  2. heart attack
  3. blood deficiency
  4. leukocytes

A

MCQ: Aorta divides to form

  1. arterioles
  2. capillaries
  3. vessels
  4. veins

A