As far as i know there's only one species of animal that does not have a heart and that is a jellyfish.
Echinoderms such as starfish and sea cucumbers have no heart.
Actually,i think all species have a heart.
pigs
I'm sorry but a sea cucumber is a fruit, not an animal. If it were an animal then why is it called a sea CUCUMBER? That would be like saying a watermelon doesn't have a heart. Of course it doesn't, its a bean. I hope this helps.
well feral heart i a noroml animal it opens in an hour
There is a species of earthworm that has 8 heart chambers.
lion
Baboon
every human or animal but things like baceria and algae dont.
As far as i know there's only one species of animal that does not have a heart and that is a jellyfish.
If your talking about an animal or a human heart they both came to exist the same way. god jehova created every living human and animal with a heart.
Natalie Owings has written: 'The Heart and Soul Animal Sanctuary' -- subject(s): Heart and Soul Animal Sanctuary, Animal rescue
It is the blue whale with a heart weighing about 600kg.
The blue whale has the biggest heart in the world
Roadkill
Octopus
The land animal which has the strongest heart is a horse. This is what makes it possible for horses to race.
NONe there is no two heart animal ........ DNG AKA DeathNoteGal
Fish
jellyfish
Lion