In endochondral ossification a long bone forms from a hyaline cartilage model.

Using Figure 5.1, identify the following:Spongy bone is represented by ________.

The plasma membrane of a muscle fiber is known as the ________.

The contractile organelles of skeletal muscles are ________.

Using Figure 4.1, identify the following:The papillary layer of the dermis, closest to the epidermis and responsible for fingerprints on the epidermal surface, is indicated by ________.

In transcription:

Figure 4.1Using Figure 4.1, match the following:Bone.

Which of the following structures serve to increase the surface area of a cell and are often found on cells lining the small intestines where absorption of nutrients occurs?

____________ are small organelles made of protein and rRNA that are sites of protein synthesis.

Which hormone causes the release of calcium ions into the bloodstream in response to low blood calcium?