Without gravity the marriage between the helium and balloon industry would crumble, ushering a quick end to humanity. Yes, the first would cause the second.
1) The clavicle is the first bone in the body to ossify, and is also the most commonly broken bone.
2) The humerus is the most painful bone to break.
3) The strongest muscle in the human body is only found in females. It is the myometrium, which is one of three layers of the uterus.