The Skeletal System

Mr. Andersen discusses the skeletal system, focusing on the differences between exoskeletons and endoskeletons. He explains the structure and function of bones, including compact and spongy bone, marrow, and the role of osteocytes. The video also covers the chemical composition of bones and their role in maintaining homeostasis, particularly in regulating blood calcium levels through the thyroid and parathyroid glands.

What new insight or understanding did you gain from this video?