SCIENCE
CIRCULATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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head
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fist
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hand
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foot
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Detailed explanation-1: -It is approximately the size of a man’s fist (230-350 grams) and is shaped like an inverted cone. About two thirds of the heart’s mass is located to the left of the body’s midline.
Detailed explanation-2: -If you’re a kid, your heart is about the same size as your fist, and if you’re an adult, it’s about the same size as two fists. Your heart beats about 100, 000 times in one day and about 35 million times in a year.
Detailed explanation-3: -The human heart is a four-chambered muscular organ, shaped and sized roughly like a man’s closed fist with two-thirds of the mass to the left of midline. The heart is enclosed in a pericardial sac that is lined with the parietal layers of a serous membrane.
Detailed explanation-4: -The heart weighs between 7 and 15 ounces (200 to 425 grams) and is a little larger than the size of your fist.
Detailed explanation-5: -The heart is conical in shape and has four chambers-left auricle, right auricle, left ventricle and right ventricle.