1.

I am system X. - I perform secretions inside the body. - I have ducts. - The secretions act at the site of secretion. - I have a counter system ,i.e., Y and it has exactly the opposite set of properties. Identify me and my counter system.

Answer» I am system X.
- I perform secretions inside the body.
- I have ducts.
- The secretions act at the site of secretion.
- I have a counter system ,i.e., Y and it has exactly the opposite set of properties. Identify me and my counter system.


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