'It's a polypeptide hormone produced by the beta cells of the islets of Langerhans'
insulin
YOU'RE GOING IN: Its a polypeptide hormone produced by the beta cells of the islets of Langerhans
It's a polypeptide hormone produced by the beta cells of the islets of Langerhans
It's a polypeptide hormone produced by the beta cells of the islets of Langerhans
YOU'RE GOING "IN"
insulin
YOU'RE GOING "IN"