kidneys

Cultural  

1. A pair of organs, the principal parts of the excretory system, located above the waistline at the back of the abdominal cavity. The kidneys filter waste materials from the blood, excreting these wastes in the form of urine; they also regulate the amounts of water and other chemicals in body fluids.

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Example Sentences

As his condition declined, his lungs, heart, and kidneys began to fail.

From Science Daily

Maya, 16, from Hadleigh in south Essex, had the transplant on 6 January after suffering severe damage to her kidneys following an e-coli infection two years earlier.

From BBC

High levels of protein in urine tend to indicate that the kidneys’ filtering units are damaged or leaking.

From Barron's

Problems were seen in iron recycling within the spleen and in the normal functioning of the lungs, intestines and kidneys.

From Science Daily

He explained: "I got Covid in hospital, my kidneys started to back up, everything that could all seemed to sort of converge at the same time. And I had five operations on my knee."

From BBC