Which of the following is least true of or related to an endocrine gland?

a ... it secretes hormones.

b. they are ductless glands.

c. secretions are trasported by the blood.

d. all hormones are steroids

The statement that is least true of an endocrine gland is d. all hormones are steroids.

Explanation:

The endocrine glands are a set of glands that are devoid of excretory ducts (they are ductless glands), produce and release hormones (messenger substances) directly into the bloodstream. The hormones can be steriodeas, produced by endocrine cells from cholesterol and non-steroids, synthesized from amino acids (Proteins, peptides, glycoproteins, derived from simple amino acids)