Which Statement About the Endocrine System Is False

Multiple Choice

Which statement about the endocrine system is false?

A) Target cells have the appropriate receptors for binding a particular hormone.
B) Some endocrine cells exist as scattered single cells within a tissue.
C) Endocrine glands have ducts that lead to the outside of the body.
D) Hormones travel in the blood to target cells.
E) Some hormones are proteins.