Examlex
Chemical elements present in high concentrations in the human body are called trace elements.
Erie Canal
A man-made waterway completed in 1825 that connected the Great Lakes with the Atlantic Ocean through the Hudson River, significantly impacting trade and settlement in the United States.
Transportation Links
Physical and logistical network connections that facilitate the movement of goods, services, and people from one location to another.
Louisiana Purchase
The acquisition of the Louisiana territory by the United States from France in 1803, dramatically expanding the size of the nation.
Q3: Largest level of organization within the human
Q14: A midsagittal plane always divides the body
Q20: What is the difference between art and
Q39: The chemical released by mast cells that
Q40: The arrector pili muscle attaches directly to
Q42: The most highly concentrated source of chemical
Q44: Which of the labeled layers of the
Q50: The basal surface of all the cells
Q78: The vomer is a triangular bone that
Q104: Facilitated diffusion requires a membrane carrier protein