(5 points) The organ responsible for filtering up to 95% of th
maintaining body pH is the
pancreas.
urethra.
kidney.
A pancreas
B urethra
C kidney
D gall bladder

C. Kidney

Explanation:

The kidney is a vital organ in the human body. It is bean shaped and helps in the filtration of toxic substances and wastes from the body fluids which is then reabsorbed into the bloodstream.

The kidney also controls the level of water, pH and sodium levels. It however controls the blood pH by excretion of hydrogen ions and forming bicarbonate which ensures the blood pH is within its optimal and normal range.

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pesticide

the contamination

we are putting to many trash.