The plasma; the liquid part of the blood. Hope that helps.
Answer: If you don't layer you could get illnesses especially depending on where you live.
Answer: I heavy coating of makeup can clog pores. It also stops your skin from breathing. Makeup can cause a lot of wrinkels and acne. If you use makeup, make sure not to sleep with makeup on and don't apply your makeup on a dirty face.
Roaches are evil my dude, I think they've always been this way but we've never noticed
The aorta is the body's main artery therefore that makes the aorta the main supply of pressure to make the blood flow.