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.
The ancient Egyptians built large and elaborate pyramids as tombs for their kings, the pharaohs. They were built of huge stone blocks and took a couple of decades to build. The three pyramids of Giza are the most famous. They were built in the 26th century B.C. The largest pyramid of Giza is called the Great Pyramid of Khufu. It is also the largest and grandest pyramid ever built. It is 479 feet tall (146 meters). The pharaoh Sneferu built this pyramid for his son, Khufu, in 2540 B.C. It was built from millions of blocks of limestone and granite.