2. Religion: believed in a hidden spirit world dominated by the spirits of animals and birds, and of their ancestors. Crushed eucalyptus leaves to relieve the nose and throat from mucus blockages Performed operations called Trephining Understood where heart was located in body Broken bones were set and covered with river clay. Chewed orchard bulbs for upset stomachs. animal fat were rubbed on cuts.

4. Herbs and plants used for medicines It was believed that illness caused by supernatural sprits Doctors performed ceremonies to remove evil spirits known as exorcisms Plants used in Ancient times still used today: Digitalis Quinine Atropine Morphine Salicylic Acid

5. Egyptians called upon gods to heal them, usually the goddess of healing, Selchment Avoided illness by eating a healthy diet, practicing massaging, and performing exorcisms Believed thinking was a function of the heart, not the brain

6. Chinese medicine is an ancient healing system originating almost 4500 years ago. They practiced acupuncture, acupressure, moxabustion, and dispensing of Chinese herbal formulas

7. Greeks believed in the healing God, Asculepius Alcamayon identified the brain Greeks were thinkers and observers who furthered the craft of healing to what we would consider scientific levels Romans first to organize medical care for army's 476 AD fall of roman empire

8. Aritarchus: (c. 310-c. 230 BCE) First to catch a glimpse of the immense size of the universe. Everyone believed that that the sun, moon and stars revolved around the earth. Correctness was not proven until Bessel in 1839 measured the parallax. Democritus: Proposed that Matter was made up of Atoms. Consequence of this idea ; people were able to use there senses.

9. Eratosthenes: (c.275-192 BCE) Invented a new method to calculate prime numbers, drew a famous world map, & catalogued several hundreds of starts. Became especially famous for his calculation of the circumference of the earth. Thales of Miletus: Predicted a solar eclipse of May 28, 585 BCE In c. 547 BCE, Thales also changed the course of the river Hayles in order to facilitate the crossing of an army of the Lydian king Croesus. Did geometrical research which enabled him to measure the size of the pyramids of Egypt or the distance to a ship at sea.