Respiration and Circulation Multiple Choice Questions and Answers 9 PDF Download

Learn respiration and circulation MCQs, grade 8 science test 9 for online learning courses and test prep. Respiration and breathing multiple choice questions (MCQs), respiration and circulation quiz questions and answers include science worksheets for 8th grade science practice test online.

Science multiple choice questions (MCQ): human beings have specialized structure to carry out exchange of gases called with options digestion system, respiratory system, nervous system and circulatory system, respiration and breathing quiz to improve study tips by practicing old exams an with interactive trivia questions and answers. Free science study guide to learn respiration and breathing quiz to attempt multiple choice questions based test.

MCQs on Respiration and Circulation Worksheets 9 Quiz PDF Download

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