If it is a heart attack, you're more likely to experience chest heaviness with constriction. You may experience pain in the center of your chest accompaning by tingling or pain in the shoulder, arm, jaw, or back. You may also feel anxiety, shortness of breath, nausea, wheezing, coughing, and possible vomiting.ind out here the causes and what to do if this condition occurs. Heaviness in chest can definitely make you feel worried because it's often one of many signs of a heart attack. In a heart attack, however the pressure seems to grow big, restricting breathing and causing some pain in the shoulder as well.
Penguin Endangered. It is no secret that for almost all of the species of penguins out there, the numbers are less than they were just a few decades ago. There are many reasons for this including hunting them for oil, taking their eggs, destroying their natural environment, the weather, and a lack of food supply.
The orange-bellied parrot is critically endangered--BirdLife.org estimates that there are only 49 mature adults in the population. Due to a number of factors, mostly habitat destruction and introduced bird species competing for food, the orange-bellied parrotsâ numbers have dropped rapidly.he orange-bellied parrot was listed as critically endangered in 2005. It is the only Neophema parrot species to be listed as such under Australia's Environment Protection and Biodiversity Conservation Act. The kakapo (Strigops habroptila) is critically endangered.