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Describe the role of the control center in a negative feedback mechanism.

Explain the differences between second and third degree burns of the skin.

What are the anatomic characteristics of a bone that make it considered an organ?

Describe the relationship between T-tubules and the sarcoplasmic reticulum.

How does the abuse of cocaine impact dopamine levels in the brain?

Explain the differences between a nicotinic and muscarinic receptor for acetylcholine.

What causes skin to wrinkle as people age?

How does the ABCD rule help in detection of skin cancer?

What is resting membrane potential and how is it established in a cell such as a muscle fiber?

The bone marking labeled B is the _________ _________ a rough spot where tendons attach to the bone.