Table 2. Tissue weights and ²³⁹Pu contents
from McKinroy, J. F. Kathren, R.L. Voelz, G.L. Swint, M. J. 1991 U. S Transuranium Registry Report on the 239 Pu distribution in a human body Health Physics, Vol. 60 No. 3 307-333 March 1991

Tissue	Wet weight (g)	Total 239Pu (Bq)	239Pu mBq g-1	Percent of total in body	Percent of systemic
Respiratory tract	1,337	130.0	97	52.8	-

Lungs	1,303	86.8	67	35.3
Trachea	17.4	0.07	4.3	0.03
TBL Nodes	16.5	43.1	2,612	17.5

Liver	1,863	48.6	26	19.7	41.8
Kidneys	326.3	0.09	0.28	0.03	0.1
Spleen	258.3	1.46	5.7	0.6	1.2
Smooth muscle(a)	1,972	0.59	0.3	0.2	0.5
Striated muscle	24,659	8.59	0.35	3.5	7.4
Misc. muscle(b)	945	0.29	0.31	0.1	0.3
Skin	19,688	2.57	0.13	1.0	2.2
Testes	14.4	0.01	0.69	-	0.0002
CNS	1,332	0.18	0.14	0.07	0.2
Other soft tissue(c)	420.1	2.8	6.6	1.2	2.6

Pituitary	0.54	0.01	28.8
Gall bladder	26.5	0.11	4.0
Prostate	24.2	0.1	4.1

Skeleton(d)	8,691	51.2	5.9	20.8	43.9
Skeleton (ash)	2,681		19.1

^(a) GI tract + urinary bladder
^(b) Heart, tongue, diaphragm
^(c) Pancreas, gall bladder, prostate, peritesticular tissue, eyes, salivary glands, thyroid, pituitary
^(d) Including teeth

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