Which of the following accounts for the flow of oxygen into the alveoli?
A) Hemoglobin transports the O2 into the alveoli.
B) Myoglobin transports the O2 into the alveoli.
C) The O2 pressure in the alveoli is higher than that in the inhaled air.
D) The O2 pressure in the alveoli is lower than that in the inhaled air.
D
You might also like to view...
Climate is the central predictor of location in Von Thunen's model of agricultural land use
Indicate whether the statement is true or false
A country like Vietnam that has experienced rapid urbanization and economic changes typically suffers from serious growing pains and conflicts such as ___________.
What will be an ideal response?
Which of the three modern global change problems discussed in this chapter-- global warming, ozone depletion, or loss of biodiversity--do you consider to be the most serious?
Give reasons for your answer. If you wish, include information drawn from other sources. What will be an ideal response?
Organisms that regulate their internal body temperature are called _______. Fill in the blank(s) with the appropriate word(s)