Answer: 1- cell, tissue, organ, organ systems
2-epithelial, connective, muscle and nervous
3-Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands. ... Opposite the free surface, the cells are attached to underlying connective tissue by a non-cellular basement membrane.
4-Examples include adipose, cartilage, bone, blood, and lymph.
Explanation:
