Answer:
The correct answer is -digestion.
Step-by-step explanation:
Digestion is the physiological process that takes place in the body, to break down the food into smaller particles until they can be absorbed all nutrients into the blood by the different organs that combined know as digestive system.
Digestive system include different organs that start GI tract with accessory organs of digestion such as liver, gall bladder, salivary glands and the tongue. Stomach, and intestines are major organs that takes place in digestion and absorbing the nutrients.
Thus, the correct answer is - digestion.