if we become overweight, our respiratory system will be compressed and our lungs won’t be able to expand and contract normally? (i have to get this one right) 20 points!

to not look pasty

explanation:

this isn't really an academic question, but a question nonetheless. girls don't like to look like pasty ghost, and want to look like golden shinning beauties if that makes sense. girls just want some color to their skin.

answer; genes dictate the production of specific enzymes, and affected individuals have genetic defects that cause them to lack certain enzymes;