The nervous system is the major controlling system, thus, the Nervous system help produce the vomit it uses as a defence.
What are the main functions of the nervous system?
The main functions of the nervous system are:
- Managing of body's inner environment to support 'homeostasis' An example of this is the ordinance of body temperature.
- Programming of spinal cord reflexes.
- Memory and learning.
- Voluntary control of motion.
Thus, the option nervous system is correct, as the nervous system is the major controlling system whereas others are not.
To learn more about the nervous system click here:
https://brainly.com/question/13487019
