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.
Ten Alternatives to Leaning on the Tower of Pisa. The Leaning Tower of Pisa is the freestanding bell tower of the cathedral of the Italian city of Pisa. It is situated behind the Cathedral and is the third oldest structure in Pisaâs Cathedral Square (Piazza del Duomo) after the Cathedral and the Baptistry. The height of the tower is 55.86 m (183.27 ft) from the ground on the low side and 56.70 m (186.02 ft) on the high side.