Identify the structure indicated by # 6   

Identify the structure marked with the  number 37.

Identify this type of epithelial tissue which lines the trachea.    

Identify the structure marked with the red number 3.  

Identify this thinnest type of epithelial tissue.  It is found in the air sacs of the lungs.

Identify the structure marked with the  number 5.

Identify the cavity indicated by # 6 

Identify the structure marked with the  number 37.

Identify the bone indicated by # 8  

A study was performed on a type of bearing to find the relationship of amount of wear y to = oil viscosity and = load. The following data were obtained. Y 193 172 113 230 91 125 144 1.6 22 33 15.5 43 40 28 851 1058 1357 816 1201 1115 947 Predict wear when oil viscosity is 20 and load is 1200.