Respuesta :

msafirirobin

Answer:

It doesnot have a nucleus to increase the surface area

Explanation:

Red blood cells carry oxygen from our lungs to the rest of our bodies .Then they make the return trip, taking carbon dioxide back to our lungs to be exhaled.

mwabamwaba2004

Answer:

it has no nucleus which creates more room for the transport of oxygen,it also has a biconcave shape..they are flat and also flexible.

I hope this helps