Hey can u break it down and give me some more info on the exact thing u have t right about i will do it for you...:)
3: B Nervous system. 4: A Sensing and responding to its external environment.
I think the answer is skin. Skin contains sweat glands which secrete a fluid waste called sweat or perspiration; nonetheless, its primary functions are temperature control and release of pheromone. Its role as a part of the excretory is therefore minimal. Additionally, sweating also maintains the levels of salt in the body.
