The long, cylinder-shaped portion of the bone shown below that makes up the majority of the bone is called the:

Molecules that are released by neurons that allow them to communicate with other neurons are called meninges.

Check all of the hormones that are responsible for the growth and maintenance of bone tissue.

These cells are responsible for the formation of new bone matrix.

A first degree burn penetrates all the way down to the dermal layer of skin. 

Which answer choice best describes why lipids cannot be dissolved in water?

 A blood test shows that a patient has a lower than normal calcium level (hypocalcemia), which body system is most likely affected?

What is the long, thread-like structure that allows sperm to move? 

What is the function of the SA node?

Most of the long bones of the skeleton can be found in the upper and lower limbs