Tag Archives | Essay on Heart

It is pulse per minute. Heart rate varies in animal. The smaller animals have high metabolic rates and hence need greater action of heart to pump more oxygen and nutrients to tissues. This is the reason why smaller animals have much higher heart beat rate than the larger animals. Image Source: absolutefitness24hrs.com […]

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Essay on the Mammalian Heart (1572 Words)! Human heart is situated in the thorax between the lungs with its apex (formed by left ventricles) resting on the diaphragm. Usually it measures about 12 cm in length and 9 cm in breadth. It is enclosed in double membrane fibro serous sac called pericardium. Image Source: 1yaj3q2k9muz1rlxii3mp8wz.wpengine.netdna-cdn.com […]