The Sign of Aries
Aries is the first sign of the Zodiac and associated with fresh vigor and new beginnings. Individuals born under this sign are thought to have a confident, aggressive, energetic, active, adventurous, enthusiastic, fair, passionate, and pioneering character but one which is also prone to selfishness, boastfulness, intolerance, impulsiveness, and impatience. In terms of anatomy Aries is said to rule the cranium, jaw, facial bones, brain, upper teeth, carotid arteries, and nerve centers. Physically they are said to be tall in stature, and athletic in appearance.*
Aries, the Ram, is the astrological sign which runs from March 21 to April 19.
* source: wikipedia – Aries