Which of the Following Best Describes Control Center Activity (Marked

question 81

Multiple Choice

Which of the following best describes control center activity (marked B in the figure) when low blood calcium levels have been detected?

• A)Parathyroid gland cells decrease production of PTH.
• B)Neurons in the hypothalamus are activated.
• C)Thyroid gland cells increase thyroid hormone production.
• D)The PTH gene in parathyroid gland cells gets turned on.
• E)Osteoclasts interpret chemical signal coming from parathyroid gland.

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