Match the rib structures to the correct term. 

Put the following layers of the digestive tract wall in order from the innermost (lumen) to the outermost layer.1. lamina propria2. muscularis externa3. submucosa4. mucosa5. serosa6. muscularis mucosae

When does the bony skeleton begin to form?

Which cells are large, multinucleated cell formed from the fusion of a stem cell from the bone marrow?

Which type of lamina runs around the outside of the osteons just under the bone surface?

A cation that is essential for muscle contraction, nerve function, and blood clotting is (Hint: I always tell you if you’re not sure about which ion, then go with what?)

Which of the following occurs when repolarization occurs?

At rest, where is potassium (K+) located?

What type of cartilage is found on ends of bones to reduce friction?

Which term accurately describes the formation of bones?