(A) Large Intestine
(C) Liver
(D) Lungs
(B) Small Intestine
🧠 Explanation:
- The duodenum and jejunum are parts of the small intestine, which plays a key role in digestion.
- The duodenum is the first section where partially digested food mixes with digestive enzymes.
- The jejunum follows and is responsible for the absorption of nutrients into the bloodstream.
- These sections work together to ensure efficient digestion and nutrient uptake.