Respuesta :
Answer:
A: Monitors chemical changes in the blood
Explanation:
The nervous system send messages to the brain.
Monitors chemical changes in the blood is functions of the nervous system.
- They monitor such things as temperature, light, and sound from the external environment.
What is nervous system?
- The organized network of nerve tissue in the body.
- It includes the central nervous system (the brain and spinal cord), the peripheral nervous system (nerves that extend from the spinal cord to the rest of the body), and other nerve tissue.
- The nervous system helps all the parts of the body to communicate with each other.
- It also reacts to changes both outside and inside the body.
To know more about nervous system here
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