Human blood normally has a pH of about 7.4.Certain chemical reactions within your cells can lead to an increase in the amount of H+ ions.When these ions move into the blood,buffers take up some of them,preventing the blood from becoming acidic enough to endanger cell function.
Crispus Attucks, (born 1723?âdied March 5, 1770, Boston, Mass. [U.S.]) American hero, martyr of the Boston Massacre. Attucksâs life prior to the day of his death is still shrouded in mystery. Although nothing is known definitively about his ancestry, his father is thought to be Prince Yonger, a slave who was brought to America, while his mother is thought to be Nancy Attucks, a Natick Indian.
Attucks attended meetings with other patriots to discuss taxes levied by Britain, and wrote a letter of protest to Governor Thomas Hutchinson, the Tory governor of Massachusetts. On March 5, 1770, at Dock Square in Boston, Attucks was with a group of men who were defied the British Red Coats.