Which of these substances is responsible for the processing of T cells?
a. endorphin
b. enkephalin
c. prostaglandin
d. thymosin
e. melatonin
Answer: d
Which of these substances is responsible for the processing of T cells?
a. endorphin
b. enkephalin
c. prostaglandin
d. thymosin
e. melatonin
Answer: d