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

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

What causes skin to wrinkle as people age?

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

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 unique process on this bone is called the __________.

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

Identify the following small axial bone.

The opening through the bone labeled C is the ____________.