a sponge does not have a 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
The autonomic nervous system functions independently and continuously without conscious effort.
There is no question that a human being cannot live without a nervous system.
Nerve cells, also known as neurons, are individual cells that are considered unicellular. They are the basic structural and functional unit of the nervous system and work together to transmit electrical and chemical signals in the body.
NO
hormones
Neuroscience is the study of the nervous system in the animal body.
Zero None, life is imposible without a nervous system.
nervous system
becaus
no
bilateral nervous system