Respuesta :
Answer:
D. vacuole
Explanation:
Paramecium is a unicellular orgnism. It does not have any tissue or organ and organ systems. The ingested food goes into a vacuole called the food vacuole. Within the food vacuole digsetive enzymes are secreted that digest or break down complex food into simple soluble forms. The digested food is diffused into the cytoplasm.