4:56 794 d2l.laurentian.ca Quiz 3 0:08:26 elapsed Question 13 (1 point) \( \checkmark \) Saved The hormones regulating blood calcium levels are a) parathyroid hormone and calcitonin b) glycogen and parathyroid hormone c) insulin and glucagon d) estrogen and testosterone e) estrogen and progesterone

Did you know that parathyroid hormone (PTH) and calcitonin work in harmony to keep your blood calcium levels in check? PTH, produced by the parathyroid glands, boosts calcium levels by making bones release calcium, increasing absorption in the intestines, and promoting calcium reabsorption in the kidneys. Meanwhile, calcitonin, produced by the thyroid, helps lower calcium levels when they are too high, guiding calcium back into the bones. In real-world applications, balancing calcium levels is crucial for overall health. For instance, if calcium levels are too low, it can lead to muscle cramps and unhealthy bone density. Conversely, too high levels could be a sign of conditions like hyperparathyroidism. Keeping track of your calcium intake through diet or supplements is essential, especially for those at risk of osteoporosis as they age.