A crew tries to keep a sailing ship on course despite all the changes in the sea and in the weather. How is the crew like negative feedback systems in the human body?

i dont know it at allnow im just getting points at this pint

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.

a = executive branch; b = judicial branch