A 100-ft tree, 18 diameter at its base, produces 6,000 pounds of oxygen. - Northwest Territories Forest Management On average, one tree produces nearly 260 pounds of oxygen each year. Two mature trees can provide enough oxygen for a family of four. - Environment Canada, Canada's national environmental agency
Tuberculosis is a chronic disease of the respiratory system that usually enters the body through the trunk, the windpipe [trachea], and the lungs. Tuberculosis is a bacterial disease (Mycobacterium spp.) that can infect both elephants and humans.reatment: 1  Immediately separate the elephant from other animals in the herd. 2  Take the elephant to a shady, clean, and quiet place. 3  Feed the elephant with highly nutritious food that is easy to swallow, such as ripe bananas or other fresh fruit.
prion diseases are caused by one of the body s normal proteins called the prion protein changing its shape and forming clumps of protein in the brain this process damages and eventually kills brain cellsin humans there are three different ways these diseases can starthe animal prion diseases include scrapie a common prion disease affecting sheep and goats which is not thought to pose a threat to human health and bovine spongiform encephalopathy bse or mad cow disease in cattle which can jump species to infect humans