Classify the following glands as endocrine or not endocrine:
Sudoriferous glands
Sebaceous glands
Apocrine glands
Holocrine glands
Eccrine/Merocrine glands
Select the appropriate option:
A. All of the glands listed here are endocrine glands.
B. None of the glands listed here are endocrine glands.
C. Sudoriferous glands are endocrine glands.
D. Sebaceous glands are endocrine glands.
E. Apocrine glands are endocrine glands.
F. Holocrine glands are endocrine glands.
G. Eccrine/Merocrine glands are endocrine glands.