TOtotoTTI of ACTIVITY, C/M IN THOUSANDS oO % RAT pone =\ ~NOODY TERN BONE oO P-O-o~ — ; BACKGROUND O01 100 Figure 14, 1 t ’ t — oO i 200 300 400 500 600. ADDED ABSORBER , NG/CM* Al 1 700 t 6800 Mass absorption curves from the bones of a rat and a tern, post shot.