Class 7 Online Courses

Class 7 science Practice Tests

Class 7 Science Online Tests

Heart Function MCQ Quiz Online PDF Download

The Book Heart function Multiple Choice Questions (MCQ Quiz) PDF, heart function MCQs download to study online 7th grade science courses. Practice Human Transport System Multiple Choice Questions and Answers (MCQs), Heart Function quiz answers PDF for online certifications. The eBook Heart Function MCQ App Download: arteries veins and capillaries, blood circulation, human heart test prep for online teaching certification programs.

The MCQ: When atria contracts, ventricles PDF, "Heart Function" App Download (Free) with relax, also contract, squeeze, and block choices for online certifications. Solve human transport system quiz questions, download Google eBook (Free Sample) for online study.

Class 7 Science: Heart Function MCQs PDF Download

MCQ: When atria contracts, ventricles

A) relax
B) also contract
C) squeeze
D) block

MCQ: The function of the valves is to

A) transfer the blood from atria to ventricles
B) stop the backflow of blood
C) help chambers to contract
D) help chambers to relax

MCQ: The muscles of the atria and ventricles squeeze to

A) move the blood
B) make some space for blood
C) make space for air
D) build a vacuum

MCQ: When ventricles contract, atria

A) relaxes
B) also contracts
C) squeezes
D) blocks

Practice Tests: Class 7 Science Exam Prep

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