You most likely have something to do with dna and everyhting e;se
Chest pains and trouble breathing
Define risk factors? I'm a little confused, but I'd really like to help further!
If it's any help, I can tell you that early signs of self-harming actions usually involve:
-Sudden mood swings
-Lack of motivation
-A depletion of desire for making contact with others
-Bad appetites
-Irritable attitudes
-And an overall negative attitude.
I hope this helps! Please comment if you need any more help!! :)
Answer:
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!
