Uric acid and excess water

Skin:

Salt and urea

Liver:

Bile

It is not considered excretion because undigested food is not a product of metabolism

kidney - Urea and excess water

No, because removing undigested food is called egestion.

Urea, uric acid, excess salts, and water (as urine).

Lungs:

Carbon dioxide and water vapor .

Intestines:

Undigested food residue, bile pigments, and some waste products of metabolism (in feces).

No , but the process is called egestion .

skin - salt and urea

Lungs : Removes carbon dioxide

No because the removal of undigested food is not a product of metabolism.

Kidneys : Removes urea, excess water, and some drugs.

Lungs: Removes carbon dioxide that is produced by the cells during cellular respiration.

kidney: urea, creatinine

Liver: urea, ammonia and uric acid

Removal of undigested food is not considered as excretion because undigested food is not a product of metabolism