Which gland controls blood glucose levels?

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food

Which type of landforms forms at the plate boundary as a result of divergent stress