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Respiration and Circulation Multiple Choice Questions and Answers PDF Download eBook - 9

Practice Respiration and circulation multiple choice questions and answers PDF, respiration and circulation MCQ worksheets with answers key to solve 8th grade science worksheet 9 for online courses. Practice "Respiration and Breathing" MCQs, respiration and circulation quiz questions and answers for online certificate courses. Learn respiration and breathing, transport in human beings test prep for online elementary school classes.

"Human beings have specialized structure to carry out exchange of gases called" Multiple Choice Questions (MCQ) on respiration and circulation with choices digestion system, respiratory system, nervous system, and circulatory system for online certificate courses. Solve respiration and breathing quiz questions for school certificate programs for distance learning.

Respiration and Circulation MCQs Quiz 9 PDF Download eBook

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: The blood which is oxygenated in lungs is carried to heart by

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

A