WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms dizziness, fatigue and shortness of breath including Heart rhythm disorder, Anemia, and Medication reaction or side-effect. There are 119 conditions associated with dizziness, fatigue and shortness of breath.
According to ''National Geographic'' it took an estimated 20,000 to 30,000 workers to build the Pyramids at Giza over a period of 80 years from about 2570 to 2490 B.C. and slaves were not used.
There are around 138 Egyptian pyramids. Some of them are huge. The largest is the Pyramid of Khufu, also called the Great Pyramid of Giza. When it was first built it was over 480 feet tall! It was the tallest man-made structure for over 3800 years and is one of the Seven Wonders of the World.