Which body system is responsible for the regulation and synthesis of vitamin d ?

The integumentary system.

Explanation: The integumentary system is the on that is responsible for regulation and synthesis of the vitamin D. Remember this, Vitamin D for the skin is found when the sunlight has absorbed on the skin. Hope this helps!

antipsychotic medications are often used in combination with other medications to treat delirium, dementia, and mental health conditions, including:

*attention-deficit hyperactivity disorder (adhd).

*severe depression.

*eating disorders.

*post-traumatic stress disorder (ptsd).

*obsessive compulsive disorder (ocd).

and more.

the answer is d

hope this and you do good