Singapore Singapore is no# 10 on the list with an average internet speed of 30.7 megabits per second. It made it on the list of the top ten with a peak speed that is almost double the global average of 15.9 megabits per second.
Structure [edit]. The diaphragm is a dome-shaped structure of muscle and fibrous tissue that separates the thoracic cavity from the abdomen. The dome curves upwards. The superior surface of the dome forms the floor of the thoracic cavity, and the inferior surface the roof of the abdominal cavity. As a dome, the diaphragm has peripheral attachments to structures that make up the abdominal and chest walls.
The thoracic segments are provided with wider plates, but unarmed. The Glow-Worm and Other Beetles Jean Henri Fabre As it is, not a drop of blood has escaped from the aorta into the thoracic cavity. The Ape, the Idiot & Other People W. C. Morrow The spine on the first thoracic is rather short, narrow and pointed. The Beaked Whales of the Family Ziphidae Frederick True The spine on the first thoracic is short, and on the first to the fourth is pointed.