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.
Kangaroos are the national symbol of Australia. Interestingly, there are more kangaroos than humans in Australia. The red kangaroo is the largest species of Kangaroo and the largest terrestrial mammal of Australia. An adult red kangaroo has a length between 1.3m and 1.6m and weighs up to 90kg. Kangaroos are the only large mammals that use hop as the main method of locomotion.