Organs of excretion make up the excretory system, and urinary system Excretory system removes waste and toxic substances from blood. Given these facts, what removes waste from the blood among the following options:
- Veins and arteries.
 - alleles
 - Leptospirosis
 - the spinal cord
 - Special disposal
 - an area swollen with pus
 - oxygen
 - organs of excretion


 

        organs of excretion 