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State whether true or false (a) Gastr...

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

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(a) True, (b) False, (c ) False, (d) True.
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