The internal surfaces such as inside blood vessels and lymph nodes are covered by endothelium and the external surfaces are covered by epithelium. "Epithelial tissues line the cavities and surfaces of structures throughout the body, and also form many glands." (Wikipedia)
epithilial tissue
epithelial
skin
eeeew
extenal fertilization take out side of the body while internal inside the body
Epithelial tissue, which covers the whole body, is made up of closely packed cells arranged in one or more layers. This tissue covers or forms the lining of all internal and external body surfaces.
Epithelial tissue coats surfaces in the body.
Plasma is the only fluid that circulates throughout the body and links external and internal environment.
The purpose of epithelial tissue is to protect the surfaces of internal organs and the outer surfaces of the skin covering the body.
The skin is the tissue or organ that covers and protects the human body. It is the largest organ of the human body and serves multiple purposes.
Is food in the stomach in the external or internal environment of the body?
External
internal happens inside the body and in land external happens outside the body and in water
an internal deals with the inside of your body and a external adaptation deals with the outside of ur body
1. is the study of internal and external structures of the body and the physical relationships among body parts.
The external is the outside of your body, like the skin. The internal is the inside where all of your organs and your heart are.
the fertilization takes place inside the fem. body ..........(internal) the fertilization takes place outside the female body ...(external)
internal is on the inside of your body while external refers to body parts that are on the outside such as skin and nails.
extenal fertilization take out side of the body while internal inside the body
the largest internal body of the human is brain
Epithelial tissue, which covers the whole body, is made up of closely packed cells arranged in one or more layers. This tissue covers or forms the lining of all internal and external body surfaces.