Respiration and Circulation Multiple Choice Questions and Answers 3 PDF Download

Respiration and circulation multiple choice questions, learn grade 8 science online test prep 3 for elementary school online courses, distance learning for exam prep. Practice transport in human beings multiple choice questions (MCQs), respiration and circulation quiz questions and answers for science class for 8th grade science worksheets online.

Study elementary school science multiple choice questions (MCQs): larger blood vessels which carry blood back to heart are, for free online courses with choices veins, arteries, valves, and capillaries, transport in human beings quiz with online schools' course questions and answers for summative assessment of students. Free science study guide for online learning transport in human beings quiz questions to attempt multiple choice questions based test.

MCQs on Respiration and Circulation Worksheets 3 Quiz PDF Download

MCQ: Larger blood vessels which carry blood back to heart are

  1. arteries
  2. veins
  3. valves
  4. capillaries


MCQ: Insects breath through small holes in their body called

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


MCQ: External part of nose through which air enters is called

  1. trachea
  2. alveoli
  3. nostril
  4. bronchi


MCQ: Air which we breath in is called

  1. inhaled air
  2. exhaled air
  3. circulated air
  4. deoxygenated air


MCQ: Blood is mixture of

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