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Chapter 9: Class 8 Science Exam Tests

Class 8 Science MCQs - Chapter 9

Respiration and Circulation Multiple Choice Questions (MCQ Quiz) PDF Download - 9

The Book Respiration and circulation Multiple Choice Questions and Answers (MCQs) PDF, respiration and circulation quiz answers, test 9 to study online class 8 science course. Practice Respiration and Breathing MCQs PDF, respiration and circulation quiz questions and answers for online certificate courses. The eBook Respiration and Circulation MCQ App Download: respiration and breathing, transport in human beings test prep for online elementary school classes.

The Multiple Choice Question (MCQ Quiz): Human beings have specialized structure to carry out exchange of gases called PDF, "Respiration and Circulation" App Download (Free) with digestion system, respiratory system, nervous system, and circulatory system choices for online certificate courses. Solve respiration and breathing quiz questions, download Google eBook (Free Sample) for distance learning.

Class 8 Science: Respiration and Circulation MCQs Questions PDF Download

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

A) respiratory system
B) digestion system
C) nervous system
D) circulatory system

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

A) pulmonary veins
B) carotid veins
C) aorta
D) jugular vein

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