Why would floods have the most impact on houston texas and explain it in 3 complete sentences

If it’s in science I know

Explanation:

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

2.when someone’s pancreas hormone increases every time they eat, but decreases when they aren’t eating

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