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.
What physiological adaptations does a kangaroo paw have? A kangaroo paw is an Australian plant with tubular flowers. Some of its adaptations in surviving dry environments are: tiny, woolly hairs on the flowers to retain water dr â¦ oplets, a strong stem for pollinators to perch upon and the bell-shape of the flowers for the insects to feed on that also aid in pollination.