Cardiac tamponade occurs when too much fluid collects in the pericardium (the sac around your heart). The fluid may collect slowly or quickly, and puts pressure on your heart. This makes it difficult for your heart to pump. Cardiac tamponade can be life-threatening. Infection or inflammation.
The kangaroo is a marsupial that is indigenous to Australia and and the Indonesian island of New Guinea. Although kangaroos are often seen congregating in groups, kangaroos are generally fairly solitary mammals but kangaroos are also known for being sociable animals when with other kangaroos.angaroos are most well known for their ability to jump a phenomenal distance. The kangaroo is the largest of the marsupials, a group an animals that includes koalas and the common brushtail possum. Marsupials are distinguished by the pouch that these animals have on their bellies, in which they carry their young.
Groups of kangaroos are called 'mobs'. When a kangaroo is moving slowly the tail is used as an extra leg and supports the kangaroo when it is standing on its hind legs. Most kangaroos can only move both back legs together and not one at a time. Kangaroos have good eyesight but only respond to moving objects. They have excellent hearing and can swivel their large ears in all directions to pick up sounds. Kangaroos are social animals that live in groups or mobs of at least two or three individuals and up to 100 kangaroos. Note Kangaroos usually have one young annually.