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).
mountain biking is the sport of riding bicycles off road often over rough terrain using specially designed mountain bikes mountain bikes share similarities with other bikes but incorporate features designed to enhance durability and performance in rough terrainountain biking can be performed almost anywhere from a back yard to a gravel road but the majority of mountain bikers ride off road trails whether country back roads fire roads or singletrack narrow trails that wind through forests mountains deserts or fields