Answer:
The nervous system consists of the brain, spinal cord, sensory organs, and all of the nerves that connect these organs with the rest of the body. Together, these organs are responsible for the control of the body and communication among its parts.
It definitely affects someone's likely hood to gain weight the lower it is you gain a lot more weight than some who has a higher metabolism.
I'd say D because it is always good to have a goal for that, and if you plan it out, you have a better chance of reaching it.
Hope this helps... mark as Brainliest plz
