which statement best describes hormones?\no hormones are only made of peptides.\no hormones travel attached…

Brief Explanations:

Hormones are chemical messengers secreted by endocrine glands directly into the bloodstream to reach target cells. They can be made of peptides, steroids, and other substances. They do not travel attached to white - blood cells and are not secreted through ducts (exocrine glands secrete through ducts).

Answer:

Hormones travel through the bloodstream.