Functions & Descriptions of A Red Blood Cell:

*functions*
1. Carry's oxygen
2. Releases carbonic anhydrase to allow water in blood to carry Co2 to lungs.
3. Controls PH of blood

*description*
-Wider at sides, narrow in middle (biconcave disc)
-Diameter= abt. 6-8 micrometers
-Thickness= abt. 2 micrometers
-Disorientates shape to squeeze through tight passages