The correct answer is: A. Epithelial
Skin is an example of epithelial tissue. Epithelial tissue is a type of tissue that covers the outside of the body and lines the inside of organs and cavities. It is made up of cells that are tightly packed together and have a thin layer of cytoplasm. Epithelial tissue has many functions, including protecting the body from infection, absorbing nutrients, and secreting hormones.
Connective tissue is a type of tissue that supports and connects other tissues in the body. It is made up of cells that are scattered in a matrix of protein fibers. Connective tissue has many functions, including providing support, protection, and insulation.
Nervous tissue is a type of tissue that makes up the nervous system. It is made up of cells called neurons, which are specialized for sending and receiving signals. Nervous tissue has many functions, including controlling movement, processing information, and regulating body functions.
Therefore, the correct answer is A. Epithelial.