Human Histology

Epithelial Tissues

Epithelial tissues line open spaces such as blood vessels and the bladderA muscular organ that stores urine before excretion..

Connective tissues can be fluid, like blood, supportive, like bone, or a storehouse of energyThe capacity to do work or cause change., like adipose.

Muscular tissue comes in three flavors: cardiac, smooth, and skeletal.

Nervous tissue and organs of the nervous systemThe organ system that controls body functions using electrical and chemical signals. are specialized to conduct electricity.

Estrogen and testosterone are just the beginning.

Not JUST for vampires

If blood is not in your blood vessels, you should contact a doctor. Immediately.

More than just cardiac tissue, the heart has its own skeleton, valves, Purkinjie fibers and all kinds of stuff with strange names.

Designed to give you wonderful things such as sinus infections, bronchitisInflammation of the bronchi, leading to mucus buildup, coughing, and breathing difficulties., and pneumoniaA lung infection causing inflammation and fluid buildup in the alveoli..

Friend or foe?

Many people believe the brain is the controlling organ of the body, but the kidney has more authority.

The reproductive systems are both designed to do the same thing: make and deliver gametes.