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.
Kangaroo Facts For Kids. 1  The hopping speed of kangaroos is 20 to 25 km/g (13 to 16 mph), with an exception of 70 km/h (44 mph) occasionally in a short burst. 2  Generally, these animals are capable to maintain the speed of 40 km/h (25 mph) for about 2 km (1.2 miles). Kangaroos are marsupials which imply that the females carry joeys in their pouch. 2  Kangaroos are highly adaptable to a dry, barren continent together with a flexible climate. 3  Like other marsupials, the young begins to emerge at the primitive stage of development after a gestation period of 31 to 36 days.