Cardiac tamponade is pressure on the heart that occurs when blood or fluid builds up in the space between the heart muscle (myocardium) and the outer covering sac of the heart (pericardium). Alternative Names: Tamponade; Pericardial tamponade.
Koala Physical Characteristics. The koala is an arboreal (tree dwelling) herbivorous (plant eating) marsupial. Earlier European settlers had incorrectly labeled the koala as being a bear. Koalas do not live in the rain forests or in deserts. They live in tall eucalypt forests and low eucalypt woodlands.oala Physical Characteristics. The koala is an arboreal (tree dwelling) herbivorous (plant eating) marsupial. Earlier European settlers had incorrectly labeled the koala as being a bear. Koalas do not live in the rain forests or in deserts. They live in tall eucalypt forests and low eucalypt woodlands.
a few more koala facts. 1  The koala is not a bear and is not related to any bear species. 2  The word koala is an Aboriginal term for no drink because the koala gets most of its hydration from the leaves it eats. 3  Koalas sleep between 18 and 20 hours a day. 4  Koalas smell like eucalyptus cough drops.