Circulatory System MCQs Quiz Online PDF Download
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SAT biology practice test MCQ: in vertebrates blood flows in with choices close circulatory system, open circulatory system, both and anticlockwise with online SAT tutor like portal for college board SAT preparation for professional colleges' competitive exams. Free study guide is for online learning circulatory system quiz with MCQs to practice test questions with answers.
MCQs on Circulatory System Quiz PDF Download
MCQ. In vertebrates blood flows in
- close circulatory system
- open circulatory system
MCQ. Walls of capillaries are made up of cells named as
MCQ. Capillaries help to exchange substances between blood and
- bone marrow
MCQ. Arteries have thick elastic walls so that they can maintain the
- blood pressure
- heart attack
- blood deficiency
MCQ. Aorta divides to form