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.
Physical Characteristics. Males of the largest kangaroo species, the red kangaroo, can be up to 6 feet tall and weigh 200 pounds.In all species, females are smaller than males. Male red kangaroos have a maroon-colored coat; female red kangaroos are bluish-gray, which has earned them the nickname blue flyers..ales of the largest kangaroo species, the red kangaroo, can be up to 6 feet tall and weigh 200 pounds. In all species, females are smaller than males.
A kangaroo is a marsupial, native to Australia. Its baby is the size of a jelly bean when it is born, and it grows and develops in its mother's pouch. Kangaroos are known for â¦ their powerful legs, and all members of the kangaroo family share this characteristic of strong hind legs and short forelegs.yth: The story goes that when the first European explorers saw these strange hopping animals, the like of which they had never seen before, they ask the native Australian peo â¦ ple, the Aboriginal inhabitance, what these creature were called.