Pulmonary blood pressure is normally a lot lower than systemic blood pressure. Normal pulmonary artery pressure is 8-20 mm Hg at rest. If the pressure in the pulmonary artery is greater than 25 mm Hg at rest or 30 mmHg during physical activity, it is abnormally high and is called pulmonary hypertension.
Plant Types. Tropical hibiscus (Hibiscus rosa-sinensis) are evergreen, or shrubs that keep their leaves all year. On the other hand, hardy hibiscus, members of the genus Hibiscus with more than 200 species, are deciduous. Their leaves die off in winter. They have heights up to 15 feet and widths from 4 to 8 feet.
Hibiscus (Hibiscus spp.) flowers can be edible or toxic to dogs depending on the type of hibiscus.Tropical hibiscus plants such as Chinese hibiscus (Hibiscus rosa-sinensis), which is an evergreen that grows in U.S. Department of Agriculture plant hardiness zones 9 through 11, is used to make tea.It is also grown in zoos as a reptile food.This particular hibiscus is safe for dogs, as are most tropical hibiscus.ibiscus (Hibiscus spp.) flowers can be edible or toxic to dogs depending on the type of hibiscus.