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.
The koala is a stocky animal with a large head and vestigial or non-existent tail. It has a body length of 60â85 cm (24â33 in) and a weight of 4â15 kg (9â33 lb), making it among the largest arboreal marsupials.Koalas from Victoria are twice as heavy as those from Queensland.he koala is a stocky animal with a large head and vestigial or non-existent tail. It has a body length of 60â85 cm (24â33 in) and a weight of 4â15 kg (9â33 lb), making it among the largest arboreal marsupials.