The A cells produce glucagon , which mobilizes the hepatic glycogen , and the enterochromaffin cells produce serotonin , which stimulates the contraction of the smooth muscles .
The A cells produce Glucagon , which mobilizes hepatic glycogen , and the enterochromafin cells produce serotonin , which stimulates the contraction of the smooth muscles .
The A cells produce Glucagon , which mobilizes hepatic glycogen , and the enterochromafin cells produce serotonin , which stimulates the contraction of the smooth muscles .
이 문장을 바꿔보세요: The A cells produce glucagon , which mobilizes the hepatic glycogen , and the enterochromaffin cells produce serotonin , which stimulates the contraction of the smooth muscles . 산출: