Exam 22: Gas Exchange

More gas will diffuse through a _____ surface area than a _____ surface area.

The lungs of organism A have a surface area of 10 square cm. The lungs of organism B have a surface area of 5 square cm. Based on this information, the rate of gas exchange must be higher in organism _____.

What tube connects the pharynx to the bronchi?

Blood arriving at a cell that is performing cellular respiration would

You would expect a child who has just had an asthma attack to have ________ levels of carbon dioxide in their blood than a normal child would.

In humans and many other animals gases are transported in ____ , which travels rapidly in a circulatory system.

When a cell is performing cellular respiration, the higher concentration of __________________ in nearby blood plasma causes the plasma to become slightly more acidic.

Which of the following is false?

Insects breathe through a system of tubes, the smallest of which are called __________.

Oxygen and carbon dioxide diffuse much more slowly in water than in air.

For a human to inhale, the rib muscles and diaphragm must

Bubbles form in a glass of water, because it contains dissolved _____.

The process of inhalation requires more energy than the process of exhalation.

Which of the following statements about the size of an organism's gas exchange surface is true?

In blood arriving at an alveolus, the concentration of

You have been asked to design a man-made version of hemoglobin that could be used to help high mountain rescuers acclimate to high altitudes more rapidly. What is the most important property your protein has to exhibit?

Human red blood cells contain the red pigment __________.

In what way, if any, is the circulatory system of humans important to the process of gas exchange?

Carbon dioxide

Gasses move from an area of ____ concentration to an area of ___ concentration.