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.
Muscle activation. Push Ups and Bench Press mainly do the same thing â they target chest, front shoulders, triceps and lats in a pushing motion. However, when doing Bench Press the weight moves and the upper body is stabilised on a bench, which makes it easier to focus on your chest and push more weight. In Push Ups the body is moving instead, so the exercise involves more joint motion and importantly - more core activation for stabilisation.