Which are examples of negative feedback? Select three options. A). a child whose thymus gland is building an immune system that gets stronger each day when someone’s adrenal gland reacts to a scary movie by secreting hormones that make the heart beat quickly B). when someone's pancreas stops producing the hormone that lowers blood sugar because the person hasn't eaten recently C). when someone’s pancreas hormone increases every time they eat, but decreases when they aren’t eating d). when a person takes calcium supplements so a gland will stop secreting a hormone that pulls calcium from the bones

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