The study recommends that patients get a daily amount of 1.4 to 1.5 grams of protein per kilogram of body weight to help renew and repair the bone marrow. Iron and Bone Marrow Function A key function of bone marrow is to produce red blood cells -- the iron-containing cells that carry oxygen to every part of your body.
A cross-country mountain biker on a trail in Utah. Cross-country (XC) cycling is the most common discipline of mountain biking.Cross-country cycling became an Olympic sport in 1996 and is the only form of mountain biking practiced at the Olympics.ross-country bicycles are some of the lightest mountain bikes, typically between 7 and 16 kilograms (15 and 35 lb).
Remember when riding your bike was about seeing the world from two wheels? When you set out on a ride for the sole purpose of having fun? Itâs time to get back to your roots and remember what riding cross country is all about.GTâs 2015 XC line has got your back: lightweight, fast, and ultra-stable, these bikes are just as ready for a day-long mud fest with your buddies as they are for your first weekend of racing. 1  Mountain 2  /. XC.emember when riding your bike was about seeing the world from two wheels? When you set out on a ride for the sole purpose of having fun? Itâs time to get back to your roots and remember what riding cross country is all about.