The captured Africans were held in forts, sometimes called 'slave castles', along the coast. They remained there for months until finally leaving their homeland for an unknown destination on board European merchant ships, including those of the British Royal African Company.
Key Points. 1  The majority of fluid output occurs from urination. Some fluid is lost through perspiration (part of the body's temperature control mechanism) and as water vapor in expired air. 2  The body's homeostatic control mechanisms ensure that a balance between fluid gain and fluid loss is maintained.
At its most basic definition, urine is a liquid or water waste product that passes through your urinary tract and is expelled from your body through your urethra. For a male, the urine exits the urethra at the tip of the penis, and for a woman, the urine exits the urethra opening located south of the clitoris and north of the vagina.