Which Glands Secrete Calcitonin in Jawed Fishes and Primitive Tetrapods

question 1

Multiple Choice

Which glands secrete calcitonin in jawed fishes and primitive tetrapods?

• A)parathyroid glands
• B)thyroid glands
• C)ultimobranchial glands
• D)thymus glands
• E)pineal glands

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