D. Producir anticuerpos específicos para un patógeno
<span>Axial Skeleton; the axial skeleton includes the skull and sine while the appendicular skeleton includes the limbs and the bones with which they attach to the axial skeleton.</span>
Anemia is a medical condition in which there is a decrease int the total amount of red blood cells in the blood and it always results in lowered ability of the blood to carry oxygen. Vitamin B12 is needed to make red blood cells and lack of Vitamin B12 can lead to aneamia. So, the vitamin that is most associated with aneamia condition is VITAMIN B12.
The answer is option B "psychiatrist." Psychiatrist are specialized in medicine and on finding cures for common diseases which would make them doctors. Also its not option A because a <span> psychologist is a person who studies in behaviors which is a therapist, its not option C because a social worker works mainly in families but not for the health. Its also not option D because a case manager who is placed to render court cases.
Hope this helps!</span>
Your answer is B biological catalyst that regulates chemical reaction in the body
