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We maintain homeostasis by using receptors, control centers, and effectors.  Briefly describe the roles (functions) of each of the three parts.     

The abundant non-cellular material found in connective tissue is called the 

Cells carry out their normal activities, growth and check ups during 

The tissue which provides protection and covers the outside of the body (skin) is  

All epithelial tissues are vascular. 

The bones are superficial to the skin. 

If the surface cells of an epithelial tissue are flattened, they are 

A/An _____________________ is composed of two or more tissues with a definite form and function.  

Identify the duct with the GREEN arrow.  [A] Identify the organ/gland with the BLUE X. [B]

Almira and her friend were studying for their lab practical examination, and were quizzing each other on the model pictured below.  See if you can provide an answer key for their quiz. [A] What type of tissue would you find in the part marked with #19? [B]  Identify the layer of the region labeled with #17. [C]  What organ/duct/gland is the #17 located on?