1 Amphibians tend to be very pollution sensitive due to the fact that they absorb chemicals in the water through their skins; this is one reason why many amphibian populations are in distress today. 2  With addition of detergents to the eco-system, insects that normally have the ability to walk on water will be unable to.ther organisms are highly tolerant to pollution of their environments, among these are aquatic worms, leeches, and snails. As a rule, as complexity increases, tolerance to pollution decreases.
A hernia is the exit of an organ, such as the bowel, through the wall of the cavity in which it normally resides. Hernias come in a number of different types. Most commonly they involve the abdomen, specifically the groin. Groin hernias are most common of the inguinal type but may also be femoral. Other hernias include hiatus, incisional, and umbilical hernias. For groin hernias symptoms are present in about 66% of people. This may include pain or discomfort especially with coughing, exercise, or going to the toilet.
1 Umbilical hernia â This is one of the more common hernia cases. This type usually occurs in the belly button area, in a place that normally would close before or after a woman has a baby.  Inguinal hernia â This one is the most common type of hernial of the abdominal area. It occurs 25 more often in men than in women.