Organs of excretion make up the excretory system.
Urinary system excretory system removes waste and toxic substances from blood.
Organs of excretion remove waste from the blood.
What removes waste from the blood?

[a] Veins and arteries.
[b] alleles
[c] Leptospirosis
[d] the spinal cord
[e] Special disposal
[f] an area swollen with pus
[g] oxygen
[h] organs of excretion