The heart is a ________-sized organ., apple, fist, round, On which side of the body is the heart?, left, right, How many chambers does a heart have?, 3, 4, 2, Which of the following is not a part of heart walls?, Endocardium, Myocardium, Epicardium, Pericardium, What is called a protective sac that covers the heart?, Viscelar, Pericardium, Endocardium, How do we call doors between heart chambers?, Valves, Heart walls, Blood vessels, Which of the following carry oxygen-rich blood?, , , What is arrhythmia?, Heartbeat that's too fast, Normal heartbeat, How can you keep your heart healthy?, Eat fast food, Be physically active, Drink alcohol, What date is world heart day?, 30th july, 25th august, 29th september, Who has the fastest heartbeat?, Adults, Newborn babies, Toddlers, How many times a day does your heart beat?, 100 000, 200 000, 300 000, Does sneezing stop your heart?, Yes, No, Heart attacksbhappen most often on _______, Tuesday, Monday, Sunday, Which animal can mimic the heart rate of a person?, Cat, Dog, Horse.

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