Scar tissue is a variety ofa. epithelium,b. connective tissue,c. muscle tissue,d. nervous tissue,e. all of these.

Epithelial tissues are innervated and usually vascularized.

Which of the following types of epithelial tissue provides the greatest amount of protection from rubbing, wear, and tear?

Transitional epithelium can be found in which body system?

What is the function of macrophages?

In what ways are adipose tissue and bone similar? How are they different?

In adults, over 90% of all cancers arise in epithelium. Such cancers are called carcinomas, or adenomas (adenocarcinomas) if they arise in glandular epithelia. In fact, cancers of the skin, lung, colon, breast, and prostate are all in these categories. Why do you think this is so?