Formed Elements

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BEFORE THE FLOOD

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Formed Elements

Erythrocytes

as RBC Inc. viscosity rises and blood flows slowly...etc.

M: 5.1-5.8 mill per microliter

F: 4.3-5.2 mill per microliter

gas transport functions

they generate ATP by anaerobic mechanisms so they don't use up the osygen they are carrying...efficient carriers!

2. over 97% hemoglobin which binds to and transports respiratory gases

1. small size and shape provide huge surface area relative to volume: suited for gas exchange

transports @20% of CO2 from tissues to lungs

picks up oxygen in lungs and releases it to tissue cells

biconcave shape maintained by spectrin net which is deformable...makes RBC flexible

like bags of hemoglobin

anucleate with no organelles

7.5 um in diameter