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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:

The redness and heat of an inflamed area is caused by:

Which plasma protein is the most abundant and is a major contributer to blood’s colloid osmotic pressure?

Hematocrit refers to the percentage of _______________ in the blood and averages about ____________.