★ Endocrine System Quiz
Insulin and glucagon;
A. Are secreted by the beta cells of the islets of Langerhans
B. Elevate blood glucose
C. Are secreted in response to declining plasma levels of glucose
D. Are secreted by the pancreas and are concerned with the regulation of blood glucose
Select your answer:
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Ecology › View
The colors & patterns on a turtles shell help it blend in with the forest floor. This adaptation is called:
A. hibernation.
B. behavior.
C. migration.
D. camouflage.
Digestive System › View
What pushes food from the mouth to the stomach?
A. Stomach
B. Gall bladder
C. Esophagus