Reading from course textbook, Biology of Aging by Roger B. McDonald: Pg. 233-265
Directions: Please answer the following questions in their entirety. A minimum of 10 sentences is needed to complete this assignment. You must use proper spelling, grammar, and punctuation. Please use the MLA format to complete this assignment. 
Assignment: Watch the following videos, all 3 , in their entirety. Write about your impression after learning this information. Is this new to you? What did you learn?