i don't think there is an animal who does that. unless you found an unknown creature or its some kind of weird bug( which is not an animal) or you made it up.
No. The autonomic nervous system is responsible for controlling the muscle activity of your stomach.
The brain is a major organ of the nervous system
a sponge does not have a nervous system
it connects to the poo and wee!
hormones
Neuroscience is the study of the nervous system in the animal body.
The stomach wall has smooth muscle, controlled by the autonomic nervous system.
The nervous system is an essential part of life. Therefore you will not find a person or an animal without a central nervous system
bilateral nervous system
bilateral nervous system
bilateral nervous system
bilateral nervous system