What is the role of parathyroid hormone (PTH) in the body?

What is the role of parathyroid hormone (PTH) in the body?

Step 1: Understand that parathyroid hormone (PTH) is a hormone produced by the parathyroid glands in the neck.
Step 2: Know that the main job of PTH is to control the level of calcium in the blood.
Step 3: Learn that PTH increases blood calcium levels in three main ways.
Step 4: First, PTH stimulates osteoclasts, which are cells that break down bone and release calcium into the blood.
Step 5: Second, PTH helps the intestines absorb more calcium from the food we eat.
Step 6: Third, PTH promotes the kidneys to reabsorb calcium, meaning less calcium is lost in urine.
Step 7: By doing these three things, PTH helps keep calcium levels in the blood balanced and healthy.

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