Place the following steps in order to describe the movement of blood through the heart. Question 4 options:
Un-oxygenated blood flows from the vena cava into the right atrium.

The oxygenated blood then returns to the left atrium and enters the left ventricle where it is pumped through the aorta to the systemic circulation.

The right ventricle receives the blood and pumps it to the lungs for oxygenation.

The roman empire fell around the 5th century, and as islam spread in the 7th century, trade between europe and china slowed. chinese traders were blocked from westward expansion into europe when the chinese army was defeated by muslim fighters in the area known as syr darya. the trade routes, known as the silk road, fell into disuse, and trade between the far east and europe nearly stopped. it wasn't until the 13th century when the mongols invaded and controlled central asia and large parts of the middle east that extensive trade along these routes was opened again. based upon the paragraph above and your knowledge of the mongols, which of the following statements is correct? a. the mongols unified regions along the silk road, allowing for safe transport of goods. b. muslims controlled busy trade routes into china from the 5th to the 7th centuries. c. without access to european markets, the chinese were unable to obtain raw materials. d. the mongols replaced the roman empire as the dominant force in western europe.

Which excerpt from act iv of hamlet best provides evidence of the theme’s development?

In 2009, florida suffered more fatalities than any other state. a. bicyclist b. child passenger c. pedestrian d. impaired driving