One cause of osteoporosis is low calcium. You have a special gland that has calcium sensors. If it detects low calcium in your blood, the gland sends hormones to your bone cells. Your bone cells then break down and weaken your bones in order to release calcium. This results in higher calcium in your blood.

1)What is the control center in this example?

2)What is the effector in this example?

3)Does this example show negative feedback or positive feedback? How can you tell?

 When you aren't getting enough calcium, your body takes it from your bones. Over time, your bones get weak and brittle -- you get osteoporosis.Aug 6, 2022

 

 

Low calcium intake result in  low level of bone density .

 The parathyroid gland sent the hormone to bone cell which is

 negative feedback loops keep bone density and blood calcium levels in normal range  .