The average life of a human red blood cell (erythrocyte) is 120 days. In humans, erythrocytes (red blood cells or RBCs) are functional on average 120 days.8 people found this useful. normal healthy white blood cell lives for approximately 12 hours. Whereas a healthy red blood cell lives for about 90 days. Although blood is produced from healthy bone marr â¦ ow and constantly producing new red and white blood cells.
The main muscle targeted by the dumbbell shoulder press is the anterior deltoid, or the front shoulder. To a slightly lesser degree, the exercise also hits the remaining deltoid muscles, including the lateral deltoid, or the outside of your shoulder, and posterior deltoid, or the back of your shoulder.
http://www.youtube.com/Ehowfitness. Straight-arm dumbbell pullovers work a wide variety of different parts of your body, including your chest. Find out how straight-arm dumbbell pullovers work the chest with help from a certified personal trainer in this free video clip.Expert: Tyler Tsujimoto. Bio: Tyler Tsujimoto is a Certified Personal Trainer from the National Academy of Sports Medicine.ind out how straight-arm dumbbell pullovers work the chest with help from a certified personal trainer in this free video clip. Expert: Tyler Tsujimoto. Bio: Tyler Tsujimoto is a Certified Personal Trainer from the National Academy of Sports Medicine.