★ The Cardiovascular System OCR A-level Quiz
The AV node is located between which two parts of the heart?
A. right atria, left atria
B. atria, ventricle
C. left ventricle, left ventricle
D. epicardium, pericardium
Select your answer:

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Vital Signs › ViewA fast heart beat, over 100 bpm
A. tachycardia
B. bradycardia
C. tachypnea
D. bradypnea
The Brain › View
When we laugh eight different areas in our brain are in action.
A. TRUE
B. FALSE