It depends on what blood cell you are talking about.A red blood cell lives at about 120 days.A white blood cell lives at about 13 to 20 days which is the time where the lymphatic system destroys them.Lastly,platelets live 4 to 10 days.I hoped I answered your question clearly!:D. 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 National Academy of Sports Medicine says that elliptical machines work out the heart and the leg muscles with roughly the same intensity as a treadmill. By giving your heart and lungs a healthy workout, regular elliptical exercise improves blood flow and overall stamina.
Steps. 1  1. Walk in the door (the hardest part). 2  2. Warm up. 3  3. Do less.  4. Limit yourself to six to nine machines and twenty to thirty 1  minutes. 5. Rotate among upper body, core (mid-section) and legs.  6. Work major muscle 1  groups. 7. Hop on the elliptical for 10 to 20 minutes and optionally switch to the treadmill for another 5  to 20.