Biology, asked by anithlucky126, 6 months ago

First phylum in which excretoray system evolved

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Answered by Anonymous
2

Answer:

They include the kidneys, large intestine, liver, skin, and lungs. The kidneys filter blood and form urine. They are part of the urinary system, which also includes the ureters, bladder, and urethra. Each kidney has more than a million nephrons, which are the structural and functional units of the kidney.

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