State whether true or false:
(a) The gastrointestinal tract, kidney and heart also produce hormones.
(b) Pars distalis produces six trophic hormones.
(c) B-lymphocytes provide cell-mediated immunity.
(d) Insulin resistance results in a disease called diabetes mellitus.
(a) True
(b) True
(c) False. T-lymphocytes provide cell-mediated immunity.
(d) True