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.
There are many types of hernia, some more common than others. The most common types are in the diaphragm and the groin. Hernias can develop over time or be present right from birth. Here are the different types of abdominal wall hernia: Inguinal hernia â most common abdominal hernia. The inguinal canal is a small opening where the testicle descends during fetal development. Sometimes the opening does not properly close or leave a weak area where the hernia can develop later on.