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  Contrast the portraits in 39 and 43. How do we know the sitter on the right is from a very different class?

38. The respiratory system   A. Rids the body of urea, uric acid, and ammonia B. Continuously provides oxygen to the blood while removing carbon dioxide C. Delivers oxygen, carbon dioxide, nutrients and hormones to the cells of the body D. Cleanses the blood of pathogens and debris

  In a few sentences, describe why these prints were so popular in the 19th century.

  Name another artist who was influenced by them.

Rough endoplasmic reticulum (ER) is involved in synthesis of:    

Primarily, the plasma membrane:  

There are no primary documents left by indentured servants.

The U.S. Constitution was drafted successfully largely because of ___________.

Written correctly? Style, grammar, punctuation, spelling, etc. Buddy DeFranco played his trumpet every day for four years. 

AP STYLE: Mark true for correct, false for incorrect (None of these is at the beginning or end of a sentence.) Governor Ron DeSantis