Class 8 Online Courses

Grade 8 Science MCQs

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Respiration and Circulation Multiple Choice Questions Online p. 1

Learn Respiration and circulation multiple choice questions and answers, respiration and circulation quiz answers PDF to learn grade 8 science test 1 for online courses. Respiration and Breathing MCQs, respiration and circulation quiz questions and answers for distance learning classes. "Respiration and Circulation MCQ" PDF Book: respiration and breathing, transport in human beings test prep for online degree programs.

"The ribs moves upwards and outwards when we" Multiple Choice Questions (MCQ) on respiration and circulation with choices exhale, inhale, digestion, and defecate for distance learning classes. Practice respiration and breathing quiz questions for school certificate programs for online classes.

MCQs on Respiration and Circulation Quiz

MCQ: The ribs moves upwards and outwards when we

inhale
exhale
digestion
defecate

MCQ: More than half of total blood volume is the

red and blood cells
plasma
platelets
all of them

MCQ: The special organ in mammals, birds and reptiles is

lungs
air sacs
stomata
spiracles

MCQ: Platelets help in blood

producing
rejuvenating
clotting
purifying

MCQ: The circulatory system of human is composed of

heart
blood
blood vessels
all of them

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