This printable crossword puzzle on the topic of Human Body Systems has 12 clues. Answers range from 4 to 15 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
The principal nitrogen containing waste excreted in urine; derived from amino acid breakdown
A simple organic compound containing both a carboxyl (-COOH) and an amino (-NH2) group.
Each of a pair of organs in the abdominal cavity of mammals, birds, and reptiles, excreting urine.
One of two narrow tubes that take urine from the kidneys to the urinary bladder.
A hollow, muscular organ that stores urine
tube that carries urine from the bladder and releases it from the body; in males, tube through which semen is released from the body
Each of the functional units in the kidney, consisting of a glomerulus and its associated tubule, through which the glomerular filtrate passes before emerging as urine.
A watery, typically yellowish fluid stored in the bladder and discharged through the urethra. It is one of the body's chief means of eliminating excess water and salt and also contains nitrogen compounds such as urea and other waste substances removed from the blood by the kidneys.
Carries oxygenated blood containing high levels of urea to the kidneys for filtration.
Carries dexygenated blood which has had urea removed away from the kidneys.
Collection of organs that remove waste from the blood; organs include kidneys, ureters, urethra, urinary bladder
Chemical messengers in the body that control the balance of fluids