- Details
- Written by Omar Botha

Human Beings have an Autonomic Nervous System (ANS) that is actually comprised of three separate subsystems, the Parasympathetic Nervous System (PNS), the Sympathetic Nervous System (SNS) and the Enteric Nervous System (ENS).
- Details
- Written by Omar Botha

- Details
- Written by Omar Botha

- Details
- Written by Omar Botha
