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Goblet cells, which line the inside of the trachea (wind pipe), are critical for moving foreign substances away from the lungs and out of the body because they  

Cells are small enough to facilitate all the basic functions of living organisms, including maintaining cell structure, regulating materials in and out, reproducing and removing wastes, and more.  Explain why the cell has to be small enough to function efficiently and what the advantages of reducing its size are, as you see in the picture comparing one large cell to eight small cells in the same volume.    

George is observing a tissue slide as shown in the picture.  What type of epithelial tissue is he looking at?

Ligaments link bone to bone so they should be tough enough to hold the pressure and endurance upon body movement. What type of connective tissue makes up ligaments?

In which way does skeletal muscle differ from cardiac muscle?

We’ve talked about homeostasis in class with multiple examples. Choose your example and explain what it is and how it works in our body. 

The pH means the power of hydrogen ions. 1) How much more hydrogen ions does a solution of pH 3 have than a solution of pH 5? [100] 2) Which solution is more acidic? pH 3 or pH 5? [pH3] 3) What is the pH of human blood? slightly acid or slightly alkaline? [alkaline]  

Which one of the following statements is TRUE regarding the structure of the atom? 

All of the following are functions of cartilage EXCEPT which one?

The exposition of the Mishnah and Torah is called the: