Endocrine secretions are tightly regulated, because of the secretions are too little or too much, then catastrophic changes can occur in the body. we are going to focus our initial thoughts on the regulatory mechanisms of each of the traditional endocrine secretions and then follow up with what happens when each of these secretions is out of balance (hyper or hypo).

 It designate a plenty or overabundance of Endocrine secretion or Hypo-, is the opposite of hyper-: it means underneath, less than normal, or deficient of Endocrine secretion. It can be seen and range in the bloodstream, and is usually found in higher levels in people whom are athletic. It is also responsible for the brain sending signals for the healing of wounds. It also helps with the bodies’ absorption of iron, by suppressing other hormones and functions.

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

i might be wrong but i think its a. let me know if i’m right and have a good rest of your day!