Your digestive system has three main functions digestion absorption and elimination in which organ does absorption begin a. mouth b. stomach c. small intestine d. gallbladder

C small intestine
 The small intestine is the main area of the GI tract for absorption. The small intestine has three separate sections, the duodenum, jejunum and ileum. The majority of nutrient absorption occurs in the duodenum

Sperm, that has all the protein it needs.