is the largest organ of the body, and covers it externally.

is the superficial layer of the skin and consists of epithelial tissue; and the dermis

Protects the skin from heat, microbes, and chemicals. Produce keratin. Is a type of cell

They participate in immune responses against microbes that invade the skin, and are easily damaged by UV light (type of cell)

type of gland that secrete sebum, an oily substance that lubricates the hair within the follicle as well as the skin itself.

accesory organ that Protects from sun’s rays, foreign particles and helps in our sensations.

is a group of similar cells that work together to carry out a specific function. 

consists of tightly packed cells that form a continuous layer, It can be classified into covering and lining

may consist of a single cell or a group of cells that secret substances into ducts (tubes), onto a surface, or into the blood

has a variety of functions. It binds together, supports, and strengthens other body tissues; protects and insulates internal organs; compartmentalizes structures such as skeletal muscles

is the most rigid connective tissue and consists of a hard matrix of calcium salts

is a loose connective tissue in which the cells, called adipocytes, store triglycerides

The skeletal muscle fibers have _______ which are alternating light and dark bands visible under a microscope.

is found in the wall of the heart, and like skeletal muscle, it is striated, but unlike skeletal muscle, it is involuntary.