The Human Hormone Insulin Is Produced Only by a Single

question 15

Multiple Choice

The human hormone insulin is produced only by a single organ,the pancreas,yet insulin is used to move glucose from the bloodstream into cells all over the body.What aspect of hormones makes it possible for insulin to work throughout the body?

• A) Hormones are able to stop cell-to-cell communication.
• B) Hormones all cross cell membranes, and thus can move freely throughout the body.
• C) Hormones cause rapid cell-to-cell signaling.
• D) Hormones are long-range signaling molecules.