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.
Crikey-More Animal Facts! Kangaroos are the largest marsupial surviving on earth today. They are well known for their style of movement; hopping on their hind legs whilst using their large, muscular tail for balance.Kangaroos use their tail like an extra leg when they are manoeuvring around, or standing still.rikey-More Animal Facts! Kangaroos are the largest marsupial surviving on earth today. They are well known for their style of movement; hopping on their hind legs whilst using their large, muscular tail for balance. Kangaroos use their tail like an extra leg when they are manoeuvring around, or standing still.