Question

Which are characteristics of epithelial cells? Select two options.

are unable to be used for secretion of materials
main cells of the nervous system
found lining many areas that contact the external environment
plays a role in protection
carry oxygen through the body
make up the skeletal muscle

Answer 1

- found lining many areas that contact the external environment
- plays a role in protection

(Epithelial cells form coverings and linings of body surfaces and cavities and function in protection, absorption, secretion and sensation.)