Smaller Endocrine Glands & Tissues

Question 1

Pineal gland

Answer 1

Secretes melatonin in response to light input, to set the biological clock (sleep/wake rhythms)

Question 2

Thymus

Answer 2

Secretes hormones that cause maturation of T cells - WBCs critical to immune function

Question 3

Ovaries

Answer 3

Secretes estrogen and progesterone (and relaxin) to regulate the female reproductive cycle, maintain pregnancy, prepare for lactation & help develop female secondary sex characteristics

Question 4

Testes

Answer 4

Secrete testosterone to regulate spermatogenesis and promote the development of male secondary sex characteristics

Question 5

Skin

Answer 5

Secrete a hormone that helps the production of the active form of Vitamin D.

Question 6

GI tract

Answer 6

Secretes hormones that stimulate the secretion of pancreatic juice and gastric juice

Question 7

Placenta

Answer 7

Secrete hormones that help maintain pregnancy and prepare for lactation

Question 8

Kidneys

Answer 8

Secrete renin to raise BP through the RAA pathway. Also, secrete EPO to regulate erythropoiesis

Question 9

Heart

Answer 9

Secrete ANP in response to hypertension. ANP acts to lower blood pressure

Question 10

Adipose Tissue

Answer 10

Secretes leptin, which suppresses appetite