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 This figure shows a frontal view of a human. What does number 1 indicate?

Osteocytes live in small spaces within the calcified bone called

 Which number indicates the arrector pili muscle?

  This figure illustrates the microscopic anatomy of spongy bone. Which number indicates a central canal?

One of the weakest parts of the shoulder is the part that lacks tendons of the rotator cuff.  This weak area is the ______ aspect of the shoulder.

During endochondral ossification these vessels invade the cartilage of the diaphysis.

Which is the neurotransmitter that causes the release of calcium ions from reservoirs within the muscle cell and thereby initiates the steps of contraction?

A memory that has lasted over a weekend is described as a

What are the matrix rings of compact bone that surround the central canal of each osteon?

The large surface area of the inside of the small intestine means that this structure is