To answer these questions you have to watch the following video:
Lab #10: Metabolic Response to Exercise
Video: https://www.youtube.com/watch?v=4lVe8jHNYaI&list=PLiXZD4bAGaTGLV4EoSx7PgixaEEQ5UATw&index=10
Lab #11: Body Composition
Part 1: https://www.youtube.com/watch?v=ZMjgEsovrbM&list=PLiXZD4bAGaTGLV4EoSx7PgixaEEQ5UATw&index=4
Part 2: https://www.youtube.com/watch?v=ky3Y6xF_MUw&list=PLiXZD4bAGaTGLV4EoSx7PgixaEEQ5UATw&index=5
Body Composition Technique Video: https://www.youtube.com/watch?v=mTy7h7sXWAY&list=PLiXZD4bAGaTGLV4EoSx7PgixaEEQ5UATw&index=3

Just in case some information about my body measurements is necessary, you can use whatever you think is convenient, but it has to be female., Just in case I weigh 125 pounds and am 5’2 feet