Histology is the study of tissues. There are only four primary tissue types: epithelial, connective, muscular and neural. For now we will only concentrate on epithelial and connective tissues. Epithelial tissue covers exposed surfaces or lines internal cavities or passageways and forms glands.
The Cathedral of Learning in Bangkokâs Assumption University soars to a towering 522 feet (159 meters) in height. Built in 2002, the 39-story structure mimics the design of the University of Pittsburghâs Cathedral of Learning â albeit in a more postmodern style.
It was built as a freestanding bell tower for the cathedral in Pisa. On the side where the tower is lower because of the lean it stands at 187.27 feet. On the high side of the tower it stands at 186 feet. The tower weighs about 14,500 tons.