The following diagram is of a cross section of a plant leaf. Use the diagram to answer the question.
The main function associated with structure Y is ________.
Definitions:
NG Tube
A nasogastric tube, a medical device used to deliver food and medicine directly to the stomach through the nose.
Secure
To make something free from threat or risk; often refers to procedures or measures taken to ensure safety and protection.
Nasogastric Tube
A flexible tube inserted through the nose into the stomach, used for feeding or removing stomach contents.
Navel
The scar in the center of the abdomen, also known as the belly button, which marks the area where the umbilical cord was attached in utero.
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