Respiration and Circulation MCQs Questions and Answers 8 PDF Download

Respiration and circulation MCQs, respiration and circulation quiz answers pdf, test prep 8 to study elementary school science for online certificate courses. Practice "transport in human beings" Multiple Choice Questions and Answers (MCQs), respiration and circulation quiz questions and answers for online learning. Learn transport in human beings, respiration and breathing test prep for online school classes.

"Blood collects oxygen from inhaled air and gives off carbon dioxide in the" Multiple Choice Questions (MCQs) on respiration and circulation with choices liver, lungs, kidneys, and heart for online learning. Free science study guide for online learning transport in human beings quiz questions for online learning.

Respiration and Circulation MCQs Quiz 8 PDF 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 the 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: The 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