What is the primary function of the heart?

How many chambers does the human heart have?

Which blood vessels carry blood away from the heart?

What is the largest artery in the body?

What does a high blood pressure reading usually indicate?

Which nutrient is most harmful for heart health if consumed too much?

What is the normal resting heartbeat rate for adults?

What does ECG measure?

Which mineral helps regulate heartbeat?

What type of exercise is best for heart health?