Biology

C.They travel through the blood to distant target cells

Explanation:

Hormones are chemical messengers that are produced by endocrine glands and secreted directly into the bloodstream. They travel through the blood to reach distant target cells or tissues that have specific receptors for that hormone. Upon binding to these receptors, hormones initiate various physiological processes.

Here’s why the other options are incorrect:

A.They act only locally within a tissue: This describes local signaling molecules like paracrine signals or autocrine signals, ...