pH Values of Tissue Fluids

Determine the normal pH values of a given tissue fluid.

Aqueous humor

7.21

Blood**

~7.4

Cerebrospinal fluid

7.35

Duodenum

5.5

Feces

7.15

Ileum**

8

Intestine**

5.3

Lacrimal fluid (tears)

7.4

Breast milk

7.0

Skeletal muscle**

6.0

Nasal secretions

6

Prostatic fluid

6.45

Saliva

6.4

Semen

7.2

Stomach**

1-3.5

Sweat

5.4

Urine, female

5.8

Urine, male

5.7

Vaginal secretions, premenopause

4.5

Vaginal secretions, postmenopause

7