120 days
a day!
120 days for a normal rbc. a sickle cell lasts only about 20 days
Red blood cells are produced in the red marrow of long bones. As the cell matures, the nucleus is removed and the cell is packed full of hemoglobin.Since the nucleus is gone and the cell can't repair itself, it will only live around 120 days.
How long can a leech live after filling themselves with blood?
About 120 days
Not long without any at all! Because red blood cells make up alot of the blood and then there would be nothing to pump to the heart or anythng to carry oxygen and stuff.
Blood Is Produced By The Long Bones.
Blood is a liquid tissue which is suspended in a liquid plasma, are constituted as 7 type of cells and cell fragments. If you mean Red Blood Cells life span then it is 100-120 days and gets replaced continuously. I am sure you should get more information on Blood cells if give a search in the net.
Your red blood cell count will increase in response to the body's increased demand for oxygen as a result of long-term aerobic exercise.
Although I am not certain of the exact amount of time it takes, it is general practice that a person can donate again after 56 days.
Because cell is what they need. Without cell, they wont live long. Animal and plant need cells just like us to live long.
A white blood cell is a cell which protects our body from diseases and helps us to maintain our immunity They lives shorter than red blood cells(erythrocytes) with a life span average of 14 to 20 days