Table 1 Summary of oxygen concentrations in various organs

Atmospheric Air

21.1

160

Human

[17]

Trachea

19.7

150

Human

[17]

Arterial Blood

13.2

100

Human

[17]

Venous Blood

5.3

40

Human

[17]

Brain

4.4 ± 0.3

33.8 ± 2.6

Human

[4, 102]

Normal Lung

5.6

42.8

Human

[93]

Lung Tumor

0.1–6.1

0.7–46

Human

[93]

Skin (Epidermis)

1.1 ± 0.42

8 ± 3.2

Human

[147]

Skin (Dermal Papillae)

3.15 ± 0.8

24 ± 6.4

Human

[147]

Liver

7.5 ± 0.7

40.6 ± 5.4

Human

[13, 94]

Kidney

6.8 ± 0.8

52 ± 6

Human

[108]

Kidney

5.9–6.6

45–50

Rat

[129]

Placenta

7.4 ± 0.4

56.2 ± 3.2

Human

[76]

Umbilical cord

2.7–3.9

20–30

Human

[47]

Umbilical artery

1.3–1.9

10–15

Human

[47]

Bone Marrow

7.22 ± 0.1

54.9 ± 0.98

Human

[60]

Ovaries

11.6

88

Human

[43]

Spleen

10 ± 2.4

80 ± 18

Rats

[65]

Lymphoid organs

0.5–4.5

3.8–34.2

Mice

[16]

Skeletal muscle

3.3 ± 0.58

25 ± 4.4

Human

[8]

Adipose tissue

4.7–8.9

36–68

Human

[40]