Respiration and Circulation Multiple Choice Questions and Answers 8 PDF Book Download

Respiration and circulation multiple choice questions and answers (MCQs), respiration and circulation quiz answers, test prep 8 to learn online elementary school courses for science degree. Transport in human beings MCQs, respiration and circulation quiz questions and answers for online elementary education degree. Learn transport in human beings, respiration and breathing test prep for elementary school teaching certification.

Learn elementary school science MCQs: transport in human beings, respiration and breathing, with choices aerobic respiration, cellular respiration, anaerobic respiration, and breathing for online elementary education degree. 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 8 PDF Book Download

MCQ: Blood collects oxygen from inhaled air and gives off carbon dioxide in the

  1. lungs
  2. liver
  3. kidneys
  4. heart


MCQ: Respiration which takes place in absence of oxygen is called

  1. cellular respiration
  2. aerobic respiration
  3. anaerobic respiration
  4. breathing


MCQ: There is higher concentration of oxygen in

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


MCQ: Distance which is travelled by an average red blood cell is equal to

  1. 1500km
  2. 1200km
  3. 2100km
  4. 5100km


MCQ: Heart is made of specialized

  1. cardiac muscles
  2. connective tissues
  3. both a and b
  4. skeletal sphincters