tissue contain intercalated discs? Why is smooth muscle under involuntary control? What special adaptations does the nervous tissue have to function?...

Why does cardiac tissue contain intercalated discs?
Why is smooth muscle under involuntary control?
What special adaptations does the nervous tissue have to function?
Where is pseudostratified ciliated columnar epithelial found and why is the cilia important to this location?
Describe the location and function of simple columnar epithelium and why these characteristics are important to this tissue functioning properly.
Why biopsies are done.
Why are healthy tissues taken along with questionable tissues?
Are samples taken in an office setting or under anesthesia? Why is there a difference?
In some cases, patients may feel that the side effects may outweigh the benefits of having the biopsy. For example, prostate biopsies have been said to cause impotence in some men. Is having a particular type of a biopsy worth the risk?