Answer:
yea it should be fine. I'm not sure but. it makes sense to me.
Endocrine system regulation slowly happens but produces long-lasting effects, whereas nervous system regulation quickly takes place with short-term effects.
Endocrine system can regulate many things in the body that control the metabolism. The effect shouldn't be instant, but it should be good for long term effect. Nervous system need a much faster reaction because it responsible for "fight or flight" reaction. A slow nervous system will cause the organism caught by predator easier.
The diffusion of water through a cell membrane to reach dynamic equilibrium.
All of the above is the answer