Answer:
ENDOCRINES circulate in the blood and act at sites distant from their origin;
EXOCRINES pass through ducts;
and PARACRINES act on their local tissue environment.
Explanation:
Exocrines are known for producing external secretions that are released through a duct, usually into the digestive system or the skin
Endocrine are known for producing internal secretions called HORMONES that are transported around the body by the bloodstream. They are also called ductless glands.
Paracrines are known for producing hormones that act on his immediate location or producing gland
It would be a pain to write all out all the details, so this might help. There isn't that much reading involved. http://lsa.colorado.edu/essence/texts/lungs.html
It is called the Golgi body
It was probably an Animal cell
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