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

D

Explanation:

the hypothalamus is part of our brain that control our body temp, heart rate etc

pituitary is the master gland controlling the other glands in your endocrine system

i would say it is

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