Respiration and Circulation Multiple Choice Questions and Answers 1 PDF Book Download

Respiration and circulation MCQs, respiration and circulation quiz answers 1 to learn online elementary education courses. Practice respiration and breathing multiple choice questions (MCQs), respiration and circulation quiz questions and answers for science class. Free e-learning tutorial on respiration and breathing, transport in human beings test prep for study science online with tests.

Study elementary school science multiple choice questions (MCQs): respiration and breathing, transport in human beings, for online elementary education majors with options plasma, red and blood cells, platelets, and all of them, respiration and breathing quiz for online certificate courses preparation with online teachers certification, competitive exams. Free science study guide for online learning respiration and breathing quiz questions to attempt multiple choice questions based test.

MCQ on Respiration and Circulation Worksheets 1 PDF Book Download

MCQ: 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: 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: Circulatory system of human is composed of

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