starfish
A cat is an animal.
The Animal with the largest brain is the Sperm Whale (Cachalot) (Physeter Macrocephalus)
Jellyfish. They have 4 hearts and no brain.
yes.
Jellyfish
Totally depends on the animal, (a dog's brain is so very much larger than a fly's)
That would probably depend on what the brain is from. Animal, Human?
all of them, the brain is inside the skull
the less healthy the brain
Starfish have five arms and no brain.
you dont have a brain..
non