Calcium is a mineral that is necessary for life. In addition to building bones and keeping them healthy, calcium enables our blo
od to clot, our muscles to contract, and our heart to beat. About 99% of the calcium in our bodies is in our bones and teeth. When we do
not have enough dietary.calcium, calcium can be removed from the bone where it is stored. Examine the model. Select ALL of the
actions that occur when calcium levels are too low.
A)
Osteoclast activity is inhibited.
B)
Eliminate
Parathyroid glands release parathyroid hormone (PTH).
C)
PTH causes osteoclasts to release of Ca** from bones.
D)
Calcitonin is released by the thyroid gland, increasing blood calcium.
E)
Calcium is reabsorbed by the kidneys and small intestines rather than
being excreted
From Molecules to Organisms Structures and Processes
Regale Scientific Gals
Son our
I would go with false, because not only 100,000 genes, there are lots to those. and there are not even like 100,000 genes, that is not really possible!! hope that this helps you! =)
