The food components gradually gets digested as food travels through the various components of alimentary canal. The digested food can pass into the blood vessels in the walls of the small intestine. The digestive system consists ofSingle choice. (a) Digestive tract

(b) Digestive tract and liver

(c)Digestive tract and pancreas

(d) Digestive tract and the associated glands

pls answer​

(b) Digestive tract and liver

Explanation:

The digestive system consists of the digestive tract and liver. The digestive tract is made up of a large number of parts. These parts include the esophagus, stomach, intestines, rectum, etc. Food enters the mouth and travels down the digestive tract and out passing the rectum. The liver is where the blood passes through and it is responsible for many functions such as the metabolizing of fats and proteins, separating and storing vitamins and minerals, regulating different chemicals found in the blood, etc.

its 42

i say its d?

not sure if this what   you'r looking for would be percent composition