Yes your ugly hoped this helped
I believe that the answer is D
That would be false because they can also be caused by ultraviolet light
All of the systems that are aroused by the <span>sympathetic nervous system</span> are relaxed by the parasympathetic nervous system.
<span>autonomic nervous system (ANS) is a part of the central nervous system that controls all parts that the human cannot have a control on (which are done automatically) like heart rate and breath
ANS is divided in two opposite systems: sympathetic and parasympathetic:
</span>Parasympathetic nervous system: caracterized by the tag "<span>rest and digest" it decreases the heart rate, blood pressure, and breath. It increases the gastrointestinal motricity, letting the organism resting (this happen after a meal).
</span>Sympathetic nervous system: caracterized by the tag "fight or flight" it increases the heart rate, blood pressure, and breath. It decreases the gastrointestinal motricity, letting the organism focus on its environment (this happen when we are in danger).
Vitamin B12; is a nutrient that helps keep the body's nerve, and blood cells healthy, and helps make DNA, the genetic material in all cells. It also helps to prevent a type of anemia called megaloblastic anemia that makes people tired, and weak.
Function: Sources of new cells, especially red blood cells, healthy nerves and tissues activates folate.
Sources: Animal products, including lean meats, fish, poultry, eggs, cheese, fortified foods.
Toxicity - None known
Deficiency - Pernicious anemia, macrocytic, anemia, nerve damage as indicated by tingling and numbness in the hands and feet.
Hope that helps!!!!! : )