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 herbivorous and the female kangaroo has a pouch for the joey (baby). Kangaroos are well known for their jumping capabilities and use their tails to help balance. A kangaroo cannot jump if its tail is lifted off the ground.he kangaroos on Kangaroo Island are herbivores, primarily eating grass and other vegetation, feeding in the early morning and late afternoon/evening towards sunset. Besides g â¦ rass, they eat young shoots and tender leaves of native shrubs.