The spleen and pooling of blood cells.
D000818:Animals; D001773:Blood Cells / Q000502:physiology*; D001792:Blood Platelets / Q000502:physiology; D004912:Erythrocytes / Q000502:physiology; D006098:Granulocytes / Q000502:physiology; D006801:Humans; D013154:Spleen / Q000502:physiology*; D013158:Splenic Diseases / Q000503:physiopathology