Which are examples of negative feedback? check all that apply.

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

when someone's pancreas stops producing the hormone that lowers blood sugar because the person hasn't eaten recently

when someone’s pancreas hormone increases every time they eat, but decreases

when they aren’t eating

when a person takes calcium supplements so a gland will stop secreting a hormone that pulls calcium from the bones

When someone's pancreas stops producing the hormone that lowers blood sugar because the person hasn't eaten recently

When someone's pancreas hormone increases every time they eat, but decreases when they aren't eating

When a person takes calcium supplements so a gland will stop secreting a hormone that pulls calcium from the bones

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.