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Urinary system
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Regulates composition of the extracellular fluids by removing their harmful substances from the blood
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Erythropoietin
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Secreted by the kidneys and acts on bone marrow to stimulate production of RBCs
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Nephrons
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Filtering units of the kidney
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Renal artery
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Carries blood that contains waste products to nephrons for filtering, after waste is removed blood leaves the kidney through the renal veinĀ
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Renal pelvis
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Cavity where ureter merges with the kidney for urine passage
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Ureter
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Slender tube that carries urine to the bladder
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Urinary bladder
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Acts as a temporary reservior for urine
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Urethra
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Tube that discharges urine from the bladder
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Nephron
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Clears and filters blood, there are approx. 1 million nephrons in the kidney
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Testosterone
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Male hormone that is essential in the development of sperm and secondary sex characteristics
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Testes
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Located in the scrotum and contains seminiferous tubules that produce sperm
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Seminiferous tubules
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Produce sperm
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Vas deferens
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Formed by the epididymis to transport sperm
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Seminal vesicle
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Contains nutrients that support sperm viability
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Three functions of a nephron
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1. Filtration2. Reabsorption3. Secretion
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