heart, blood, vessels nose, trachea, lungs brain, spinal cord, nerves esophagus, stomach, intestines
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which example best shows structures that make up the digestive system in the human body?
Possibilities:
- heart, blood, vessels
- nose, trachea, lungs
- brain, spinal cord, nerves
- esophagus, stomach, intestines

esophagus, stomach, intestines