Final answer:
The functions of the nervous system are monitoring chemical changes in the blood and supplying oxygen to cells.
Step-by-step explanation:
The functions of the nervous system are:
- Monitors chemical changes in the blood.
- Supplies oxygen to cells.
The nervous system detects external and internal signals, transmits and integrates information, and produces responses in animals. It works together with the endocrine system to control all the other organ systems.
Controlling muscles, maintaining balance, and sensing surroundings and the internal environment of the body, including temperature, are some of the roles of the nervous system.