Sign up for FlowVella
Sign up with FacebookAlready have an account? Sign in now
By registering you are agreeing to our
Terms of Service
Loading Flow
Downloading Image /
Downloading Image /
Billy the red blood cell was born in in the bone marrow of the skull from cells called stem cells.
This process takes him about 7 days to mature. It is called hemopoiesis.
Birth of the Red Blood Cell
Downloading Image /
Downloading Image /
Downloading Image /
Downloading Image /
Downloading Image /
Downloading Image /
FlowVella, Previously Known As Flowboard
© 2026 FlowVella
FlowVella
