The urinary system is responsible for excreting the liquid waste products that are filtered out of the bloodstream, including urea (from which urine takes its name), salts and excess sugars. This ...
Harrie looks like a typical gelding, until he has a pee. The 16-year-old Dutch warmblood then lifts his tail up and out of the way and urinates backwards, mare-like, from between his hindlegs. On ...