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.
Read on and enjoy a variety of interesting information about kangaroos. 1  Kangaroos are marsupial animals that are found in Australia as well as New Guinea. 2  There are four different kangaroo species, the red kangaroo, eastern grey kangaroo, western grey kangaroo and antilopine kangaroo. Kangaroos can hop around quickly on two legs or walk around slowly on all four. Kangaroos canât walk backwards. Kangaroos have very powerful legs and can be dangerous at times.