No it is not because they cannot do anything without a living cell, like reproducing.
Answer:
the umbilical cord is connected to both the mother and the unborn child and so tranfers nutrients from the mothers blood to that of the baby's blood
Answer:
these differentiate as a result of signaling mechanisms. ... The daughter cells divides and after each division it becomes more specialized. When it reaches a mature cell type downstream (for example, becomes a red blood cell) it will no longer divide.
Eye strain - hope this helped
Sometimes it can be very difficult and sometimes it can be very easy.