Although the Integument Is a Covering,it Is by No Means

Multiple Choice

Although the integument is a covering,it is by no means simple,and some of its functions include .

A) cooling the body by increasing the action of sebaceous glands during high- temperature conditions
B) resident macrophage- like cells whose function is to ingest antigenic invaders and present them to the immune system
C) epidermal blood vessels serving as a blood reservoir
D) the dermis providing the major mechanical barrier to chemicals,water,and other external substances