_________ Stimulates the Thyroid Gland to Secrete Calcitonin

question 29

Multiple Choice

_________ stimulates the thyroid gland to secrete calcitonin.

• A)A releasing hormone from the pituitary gland
• B)The nerve impulses from a nerve
• C)An increase in blood Ca²⁺ concentration
• D)A decrease in blood Ca²⁺ concentration

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Definitions:

Reproduction

is the biological process by which new individual organisms are produced from their parents.

Aboveground

Pertaining to or situated on the surface of the earth; not underground or underwater.

Sexual Spore

A reproductive structure in fungi and some plants formed by the fusion of two distinct parent cells, leading to genetic recombination and variation.

Club-Shaped

A term describing an object, organ, or structure that is broader or round at one end and tapers towards the other end, similar to the shape of a club.