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Respiration and Circulation MCQ Questions and Answers PDF Download eBook

Practice Respiration and circulation Multiple Choice Questions and Answers PDF, respiration and circulation MCQs questions PDF worksheets to solve grade 8 science test 1 for online school programs. Practice "Respiration and Breathing" MCQs, respiration and circulation quiz questions and answers for distance learning classes. Learn respiration and breathing, transport in human beings test prep for online degree programs.

"The ribs moves upwards and outwards when we" Multiple Choice Questions (MCQ) on respiration and circulation with choices exhale, inhale, digestion, and defecate for distance learning classes. Solve science study guide for online courses respiration and breathing quiz questions for online classes.

Respiration and Circulation MCQs Quiz 1 PDF Download eBook

MCQ: The ribs moves upwards and outwards when we

  1. inhale
  2. exhale
  3. digestion
  4. defecate


MCQ: More than half of total blood volume is the

  1. red and blood cells
  2. plasma
  3. platelets
  4. all of them


MCQ: The special organ in mammals, birds and reptiles is

  1. lungs
  2. air sacs
  3. stomata
  4. spiracles


MCQ: Platelets help in blood

  1. producing
  2. rejuvenating
  3. clotting
  4. purifying


MCQ: The circulatory system of human is composed of

  1. heart
  2. blood
  3. blood vessels
  4. all of them