Which Tissue Type in the Human Body is Exposed Directly

Question

Which tissue type in the human body is exposed directly to the bloodstream?
A) muscle
B) connective
C) epithelial
D) nervous

Accepted Answer

Epithelial tissue is found on the surface of the body and lines the internal organs. It is responsible for absorption, secretion, and protection of underlying tissues. Some epithelial tissue is exposed directly to the bloodstream, such as the endothelium of blood vessels.