Consider the following four statements (a-d) and select the option which includes the correct ones only.
(a) The thyroid hormone play an important role in basal metabolic rate and erythropoisis
(b) Glucocorticoids inhibits inflammatory reactions by suppressing the immune system and promotes erythropoisis
(c ) Androgen promotes development maturation and function of the male sex organ as well as erythropoisis
(d) The gastrointestinal tract not only secretes gastric inhibitory peptide but also promotes formation of RBC.