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What is excretion? Write down the waste excreted from skin,
lungs, kidneys and large intestine.

Sagot :

Waste Products Excreted from Various Organs:

1. Skin:
- Sweat : Consisting of water, salts (mainly sodium chloride), and small amounts of urea and lactic acid.

2. Lungs:
- Carbon dioxide (CO₂) and water vapor: Byproducts of cellular respiration.

3. Kidneys:
- Urine: Composed of water, urea, creatinine, salts (such as sodium and potassium), and other metabolic waste products.

4. Large Intestine:
- Feces: Contains undigested food, bacteria, cells shed from the lining of the intestines, and small amounts of water.