EXCRTION IN HUMAN
EXCRETION IN HUMAN
Excretion in human being is done through Lungs, Skin, Liver and Kidneys.
1. Lungs:
The lungs help in getting rid of carbon dioxide, formed as a result of cellular respiration, through exhalation.
2. Skin:
The skin has sweat glands which excrete small amount of excess water and salts.
3. Liver:
The livers excrete bile, which contains bile pigments. Bile pigments are produced by breakdown old red blood cells in the liver. The liver also excretes cholesterol.
4. Kidneys
The kidneys are the main organs of excretion. It helps to remove excess water and dissolved urea in form of urine from the blood
No comments:
Post a Comment