Two organ systems, the kidneys and lungs, maintain acid-base homeostasis, which is the maintenance of pH around a relatively stable value. The lungs contribute to acid-base homeostasis by regulating carbon dioxide (CO2) concentration.
EL SEGUNDO, Calif. -- When Los Angeles Lakers reserve swingman Xavier Henry ruptured his left Achilles tendon on Monday, Kobe Bryant had flashbacks.It took me right back to that place again, Bryant said after practice Tuesday.
Henry Louis Skip Gates, Jr. (born September 16, 1950 in Keyser, West Virginia) is an American historian, literary scholar, journalist, cultural critic, and institution builder.