IGCSE/GCSE/CSEC/O Level Biology -The Circulatory System and The Heart Online Test

What substances are dissolved in and carried by the plasma?


What are the two main types of white cells in the blood?


In veins blood flows at


The blood vessel with the largest lumen is


Which is the correct order of three events in the heart cycle?


In diastole


Blood is pumped to the body by the


The vessel carrying blood to the lungs is called


The mammalian circulatory system is a 'double circulatory system' because...


The circulatory system is made up of two parts












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This is a great test for exam revision or recapping on previous knowledge before going for further studies.

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Omar Sajed

v.good test

2998 days 11 hours 50 minutes ago

Jessica Oura
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