Final answer:
Nutrients are absorbed mainly through the small intestine via the bloodstream after food is digested. The small intestine's mucosa is the site of absorption for most nutrients, which are then used by the body.
Step-by-step explanation:
When you eat food, the nutrients are absorbed by your body primarily through the small intestine. Inside the small intestine, most nutrients pass from the lumen of the alimentary canal into the bloodstream via the epithelial cells that line the mucosa. Lipids, for example, are absorbed into lacteals and then transported through the lymphatic vessels to the bloodstream. The absorption process allows the nutrients to circulate throughout the body, contributing to various bodily functions and health. In contrast, the final step of digestion, known as defecation, removes undigested material from the body as feces.
Therefore, the correct answer to the question 'How are these nutrients absorbed by your body?' is 'c) Through the bloodstream in the small intestine.'