jellyfish
As in ANY living animal, its brain, then heart and lungs or gills.
it is the sperm whale
the heart the brain and the kidneys
they main thing the have in common is they all are living things, and have a heart, lungs and a brain. Not every animal has a heart, lungs and a brain. Only land animals have lungs, and jellyfish and sponges don´t have a heart or brain, not to speak of single-celled animals. The universal thing about animals is the fact they´re made out of cells without a cell wall or chloroplasts like plants have.
the major system of a animal is its heart and its brain the heart is important because it help the animalbreath and live the brain is good for instruct the body of what to do it is simple and its sort of the way our stystems work but different.
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.
No, the heart is an organ, a part of a living thing, animal. An organism is an entire living thing not just one organ, or "part".
If the stuffed animal wants to be real, and you love it with all your heart, then yes, it can be real.
Heart , Brain , Lungs , Kidney , etc . Such kinds are called as organs .
Giraffe, to pump blood to their heads.
That's simple! The nucleus to a cell is like the brain and heart to a human/animal
well this is the obvious it keeps us alive and living and supplys blood to our brain