Homeostasis

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Neurotransmission and muscle contraction

Fertilization

As a cofactor in processes such as blood clotting

Slide 11

Calcium Homeostasis

When blood calcium levels are low, the hormone parathyroid hormone, produced in the parathyroid glands, promotes

absorption of calcium in the intestine

conservation of calcium by the kidneys

release of calcium from bone tissue

Slide 12

Calcium Homeostasis

When blood calcium levels are high, the hormone calcitonin, produced in the thyroid gland, promotes

elimination of calcium by the kidneys

storage of calcium in bone tissue

Slide 13