Choose the correct option with respect to bile.
Liver makes 200 ml to 500 ml of bile per day
The pH of bile is 4.6 in liver and 73.3 in gallbladder
Bile is a mixture of water, bile salts, hormones and enzymes
The bile salts are formed by the degradation of the hemoglobin
By the degradation of hemoglobin, bile pigments are formed. Hence, the correct answer is option d.