Respiration and Circulation Multiple Choice Questions Test 9 pdf Download

Practice science quiz 9 on respiration and circulation MCQs, grade 8 respiration and breathing multiple choice questions. Free respiration and breathing guide has science worksheet with answering options digestion system, respiratory system, nervous system and circulatory system of multiple choice questions (MCQ) with respiration and breathing quiz as human beings have specialized structure to carry out exchange of gases called for exam prep. Study to learn respiration and breathing quiz to attempt multiple choice questions based test.

MCQs on Respiration and Circulation - Quiz 9

MCQ. Human beings have specialized structure to carry out exchange of gases called

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

A

MCQ. Blood which is oxygenated in lungs is carried to heart by

  1. pulmonary veins
  2. carotid veins
  3. aorta
  4. jugular vein

A