Examlex
The interior structure of the nose consists of two large smooth-walled cylindrical chambers that conduct air from the external nares to the nasopharynx.
Cotton Gin
The cotton gin is a mechanical device invented by Eli Whitney in 1793, designed to efficiently remove the seeds from cotton fibers, significantly impacting the cotton industry and slavery in the United States.
Market Economy
An economic system in which production and prices are determined by unrestricted competition between privately owned businesses.
Erie Canal
A historically significant man-made waterway in New York State, opened in 1825, which connected the Great Lakes with the Atlantic Ocean, facilitating trade and migration.
Steel Plow
An agricultural implement invented by John Deere, making it easier to till the tough prairie soil of the United States.
Q2: Systolic blood pressure in arteries is always
Q11: Using the percentages and fractions given in
Q12: Pressure receptors that consist of a large
Q19: Gas exchange in the lungs occurs across
Q21: Which of the labeled respiratory organs in
Q33: Which of the following stimulates an increase
Q47: Which of the following lists the correct
Q53: Phagocytosis is the ingestion of microbes or
Q66: Which of the following lists the correct
Q74: The amount of air left in the