Bundles of axons outside the central nervous system are called ________.

Nerve impulses leading to skeletal muscle carry information to direct movement. The nerve fibers sending these signals belong to which division of the nervous system?

Using Figure 5.1, identify the following:The periosteum is indicated by ________.

Using Figure 5.1, identify the following:The proximal epiphysis is represented by ________.

Which protein within the skin prevents water loss?

The _________ gland of the ____________ produces the sleep-regulating hormone melatonin.

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 ________.