Respiration and Circulation Multiple Choice Questions and Answers 7 PDF Download

Learn respiration and circulation multiple choice questions, grade 8 science online test 7 for elementary school degree 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 science for 8th graders online free.

Study elementary school science multiple choice questions (MCQs): composition of red blood cells have specialized protein called, for free online courses with choices chlorophyll, iron, copper, and silver, transport in human beings quiz with online student portal questions to ask to help in teaching methods and teaching strategies. 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 7 Quiz PDF Download

MCQ: Composition of red blood cells have specialized protein called

  1. iron
  2. chlorophyll
  3. copper
  4. silver


MCQ: Transport system of blood by special organ heart constitutes

  1. circulatory system
  2. respiratory system
  3. digestion system
  4. nervous system


MCQ: Life span of red blood cells is

  1. 2 months
  2. 45 days
  3. 4 months
  4. 12 days


MCQ: Exhaled air is air which we

  1. breath in
  2. breath out
  3. transport in body
  4. use under water


MCQ: Division of windpipe is done in two

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