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 average weight of a koala varies according to where it lives. Northern koalas weigh up to 9 kg (19.8 pounds) for males and 7.25 kg (16 pounds) for females.Southern koalas â¦ weigh up to 15 kg (33 pounds) for males and 11 kg (24 pounds) for females.A newborn joey weighs about 0.5 grams and is about 2 cm long.orthern koalas can grow to 740 mm and 9 kg (19.8 lb) for males and 720 mm and 7.25 kg (16 lb) for females. Southern koalas can grow to 820 mm and 15 kg (33 lb) for males and 730 mm and 11 kg (24.2) for females. They breed from September to February.