Because reality is alot more complicated.
an amphibian heart has two atria but only a single ventricle
The cow heart is bigger than the human heart.
More Human Than Human by: White Zombie i think
A flower, A Teddy Bear
Males tend to be bigger than females, and have have a larger proportion of muscle mass. As a consequence, males need bigger hearts to supply the bigger amount of muscle.
No. You're an idiot
Bigger than human heart
Yes human heart is more biologically compatible than an artificial heart transplant.The patient will more likely reject the artificial organ or graft than the human one
Four times faster than a human's heart.
Because the pressure on the left side of human heart is higher than the right side of human heart.
i am guessing it isn't the same shape so it is more appealing to the eye, and not all gross looking like the real human heart, Actually if you see at Valentines the heart refers to the lips. Kissing is the shape of the lips, and the lips is used for kissing. Our Lips has become the symbol image for love because kissing is what we use our lips for. Kissing is the actual bond to true love between a couple rather than sex.
bigger than a human