Given in the table below are the names of certain organs of digestive system, the juices they secrete and the food components they act on. some entries have been left blank. Select the correct set of entries from the options provided.

Correct option is C

The correct answer is (i) – starch, (ii) – proteins, (iii) – Bile, (iv) – Fats
Mouth: The mouth is responsible for the initial stage of digestion. Saliva, secreted by the salivary glands in the mouth, it helps in the mechanical breakdown of food through chewing and the chemical breakdown of starches by the enzyme amylase, which converts starch into sugar.
Stomach: The stomach is involved in the mechanical and chemical digestion of food. It secretes gastric juices, including hydrochloric acid and enzymes, which help break down proteins and kill bacteria present in the food.
Liver: Although not directly a part of the digestive tract, the liver plays a crucial role in digestion. It produces bile, a substance stored in the gallbladder and released into the small intestine. Bile aids in the digestion and absorption of fats by emulsifying them into smaller droplets.