Which of the following explains how enzymes affect chemical reactions? Enzymes increase the energy necessary for a reaction to occur.

Enzymes donate energy to the reactions, allowing nonspontaneous reaction to proceed forward

Enzymes allow the reactions to occur at higher temperatures with greater kinetic energy.

Enzymes lower activation energy which speeds up the conversion of reactants to products

D

Explanation:

Google defines it as:

"a region of the forebrain below the thalamus which coordinates both the autonomic nervous system and the activity of the pituitary, controlling body temperature, thirst, hunger, and other homeostatic systems, and involved in sleep and emotional activity."

basically, its a part of the brain below the thalamus and it controls your homeostatic systems. it also helps decide if you're gonna get good sleep and how you feel