PATHOLOGY

Detailed explanation-1: -Hold out your hand and make a fist. 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-2: -fist-size (not comparable) Having the size (and approximate form) of a fist.

Detailed explanation-3: -Your child’s heart is a muscle that is the size of a fist. The single purpose of your child’s heart is to pump oxygen and nutrient-rich blood throughout their body, which beats 100, 000 times per day and pumps about 2, 000 gallons per day.

Detailed explanation-4: -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.