it pumps blood around the body.
humans hearts are in their chest but crayfishs hearts are in their but
We DON'T have five hearts! We only have one!
All animals have hearts cause without hearts they would all die. and also humans, well all living and moving things need hearts so the could live and beside they should have hearts or else that would be really creepy. wait is this a joke or you Sirius
The humans hearts job is to pump blood to all parts of the body.
If you mean do humans have four chambers in their heart, then yes they do.
For the same reason why humans have hearts
1 1
yeah there the same
Yes
Some do and some don't. Only animals can have hearts, there are no plants/bacteria/etc with hearts. All vertebrates have a heart - examples include humans, fish and lizards.
As it is similar in structure to human hearts and they are readily available whereas most humans are buried with their hearts.
you need about 40 to 50 hearts for max friendship