BIOL - Excretion vs Egestion
Biology, Excretion, Egestion, Digestion - IBDP | GCE | AL | HKDSE | AP Biology
Definition - Excretion is when Metabolic Waste is removed😊. It's carried out by the Lungs , Kidneys and the Skin.
Organs Involved - Lungs - They excrete carbon dioxide.💨
Kidneys - They excrete urine through urethra
Skin - They excrete excess salt through sweat💦
*Excretion is mainly for removing toxins and promotes Homeostasis.
Definition - Egestion refers to the excretion of Undigested Materials from our body. When something is not absorbed then it's egested.💩
Body Parts Involved - Mainly Large Intestine , Alimentary Canal and Anus.😏
In unicellular organism , egestion is the discharge of undigested materials from cell and in multicellular organism its from the digestive tract via the anus.
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