The term arthritis is used to describe numerous rheumatic diseases and conditions that affect joints. Some forms of arthritis, such as rheumatoid arthritis and lupus, can affect multiple organs and cause widespread symptoms.he term arthritis is used to describe numerous rheumatic diseases and conditions that affect joints. Some forms of arthritis, such as rheumatoid arthritis and lupus, can affect multiple organs and cause widespread symptoms.
The urinary system consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys filter the blood to remove wastes and produce urine. The ureters, urinary bladder, and urethra together form the urinary tract, which acts as a plumbing system to drain urine from the kidneys, store it, and then release it during urination.
Save. There are two kidneys in the human body, one on each side of the abdomen above the level of the belly button and towards the back.While the kidneys are part of the urinary system, they are closely linked to the circulatory system.Blood is carried through a complex system within the kidney where blood chemistry is regulated. The kidneys are so efficient that only one is necessary for survival.hile the kidneys are part of the urinary system, they are closely linked to the circulatory system. Blood is carried through a complex system within the kidney where blood chemistry is regulated.