Id say this is more of a biology question or even a psychology question , well its not a question at all but the endocrine system is a collection of glands that secrete hormones direct to the blood system (circulatory system) to be sent to the desired / target organ , an example of a gland could be the pituitary gland (located towards rear of brain)
It is -59 i think or just ask someone esle for help
I would say that the answer is A.
Alpacas were used for their meat, fibers for clothing, and art, and their images in the form of conopas.