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ใบงานที่ 1.3 ระบบต่อมไร้ท่อ

ระบบต่อม

ระบบต่อมไร้ท่อหรือเรียกอีกอย่างว่าระบบฮอร์โมน พบได้ในสัตว์เลี้ยงลูกด้วยนมทุกชนิด ไปจนถึงสัตว์จำพวกนก ปลา และสิ่งมีชีวิตบางประเภท โดยต่อมไร้ท่อนี้เป็นต่อมที่ไม่มีท่อ

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