Quoc: Epithelium (epi-+ thele +-ium) is one of the four basic types of animal tissue, along with connective tissue, muscle tissue and nervous tissue. Epithelial tissues line the cavities and surfaces of blood vessels and organs throughout the body.\n\nWhere can epithelial tissue be found in the human body?
HW Chung: OK, some thoughts:
User
To answer this question, we should know that: Epithelial tissues line the cavities and surfaces of blood vessels and organs throughout the body. The answer is the cavities and surfaces of blood vessels and organs.
Assistant