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Question 1

What changes (improvements) take place in the cardiovascular system due to aerobic exercise

Answer 1

• increases in mass and dimensions
• increases in ventricular volume and thickness of the ventricles walls

Question 2

Differentiate between bradycardia and tachycardia

Answer 2

• Bradycardia: slow heart rate (less than 60 bpm)
• Tachycardia: fast heart rate (more than 100 bpm)