Question

which organ is found in the digestive system? kidneys heart stomach lungs

Explanation:

The digestive system is responsible for breaking down food. The stomach is an organ in this system that helps in digestion by churning food and using gastric juices. The kidneys are part of the excretory system (filtering blood and producing urine). The heart is part of the circulatory system (pumping blood). The lungs are part of the respiratory system (gas exchange - taking in oxygen and expelling carbon dioxide).

Answer:

stomach