The spleen re­leases ex­tra oxy­gen

Science Illustrated - - SCIENCE UPDATE -

from its re­serves of ox­i­dized blood cells. The Sama-Ba­jau peo­ple's spleens are 50 % larger – prob­a­bly due to a spe­cial vari­ant of the PDE10A gene, al­low­ing the spleen to sup­ply more oxy­gen to the body.

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