Choose from: [i] health; [ii] humans; [iii] clouds; [iv] skin; [v] the heart; [vi] layers of fat; [vii] prime rib; [viii] athletes;

Fact 1: Bone provides protection for soft tissues and internal organs. Fact 2: Internal organs that can be affected include kidneys, lungs, heart and brain. Given the two facts above, what does bone provide protection for?
Answer:
[v]