Question 20
The kidneys are part of the human excretory system. Complete these sentences about how a kidney works. Use words from the list below.
vein · urethra · ureters · artery · filters · urine
Unfiltered blood enters the kidney through the renal __________.
The kidney __________ the blood.
Filtered blood re-enters the bloodstream through the renal __________.
The __________ formed enters the bladder through the __________ and is excreted through the __________.
vein · urethra · ureters · artery · filters · urine
Unfiltered blood enters the kidney through the renal __________.
The kidney __________ the blood.
Filtered blood re-enters the bloodstream through the renal __________.
The __________ formed enters the bladder through the __________ and is excreted through the __________.
