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Geologists who have studied the land of Iowa believe that Iowa used to lay ______ of the Equator.

What is the name of the Native American tribe for which the state is named?

Iowa is the only state whose north and south borders are 100% formed by water.  Is this statement true or false?

The grass on the prairie could and can grow very tall.  Lieutenant Colonel Stephen Kearney once recorded that the prairie grass was so tall in central Iowa that his soldiers could do what with it?

What vegetable was a major staple for the Ioway Indians?  Remember, it took 1/2 acre of this plant to feed one person and around the year 1700, it was estimated that there were around 1,500 Ioway Indians, so they would have had to plant a lot of this!

The specialized lymph capillaries found in the small intestine are called:

The main nerve involved in inspiration is:

Which of the following is NOT part of our first line of defense?

The amount of air that is moved with normal inspiration or expiration is the:

Select all correct answers. Oxygen has a reduced affinity for Hemoglobin (increased delivery to the tissues) under conditions of: