The main center for control of the internal environment of the body takes place in the .
a. adrenal glands
b. thyroid gland
c. cerebellum
d. hypothalamus and pituitary
e. medulla

In cellular biology, what is the definition of the word specialized? te o a. carried across the cell membrane by a specific protein a o b. a structure within a eukaryotic cell that performs a specific function o c. adapted to a specific function or condition es essere beste ser bendere s b tele ee o d. containing unique dna ser eeseen les, e nde este ses see ste submit e