Question

which of these can be part of an animals digestive system? select all that apply. lungs mouth esophagus anus

Explanation:

• The mouth is the starting point of the digestive system where food is ingested and initial digestion (mechanical, like chewing) begins.
• The esophagus is a muscular tube that transports food from the mouth to the stomach.
• The anus is the end - point of the digestive system where undigested waste is excreted.
• Lungs are part of the respiratory system, not the digestive system. Their function is related to gas exchange (taking in oxygen and expelling carbon dioxide).

Answer:

mouth, esophagus, anus