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1-what is partial pressure? Explain it’s role in gas exchange?
2- Describe the factors affecting gas exchange. Apply these factors to the efficiency of a tracheal system, gills, lungs in mammals, lungs in birds?

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Bunny Greenfelder
Bunny GreenfelderLv2
28 Sep 2019

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Related questions

1. Which of the following structures is intended to maximize the surface area available for gas exchange?

a. Thin membranes lining respiratory organs such as gills and lungs.

b. Multiple infoldings of respiratory surfaces, such as lamellae in gills.

c. Inhaled fresh air is mixed with old air from the previous breathing cycle.

d. Blood circulates in counter current direction to water flow in gills.

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2. The affinity of hemoglobin for oxygen changes with pH. What is affecting the pH of the blood?

a. The blood changes its pH based on the amount of carbon dioxide dissolved.

b. The blood changes its pH based on the amount of oxygen dissolved.

c. The pH of the blood is adjusted centrally in the hypothalamus.

d. The pH of the blood is constant and never changes.

1. How is the gas exchange system in insects different from the gas exchange system in mammals?

2. What is the diaphragm and how does it aid in a mammal’s gas exchange system?

3. What is the difference between Tidal Volume and Total Lung Capacity?

4. What is respiratory “dead space”? How might an increase in dead space impact your breathing?

1.What are the advantages of organisms having a 4-chambered heartover less chambers?

2. The differences of Nitrogen waste elimination between mostaquatic animals, mammals, and birds.

3. Domarine fish drink seawater? If so, how do they regulate the saltintake?

4.Organisms like jellyfish, spongesand flatworms do not have a circulatory system or lungs. Whatadaptations do these organisms have for oxygen delivery?

Please explainanswer FULLY (2-3SENTENCES) for each question for full points and 5 starrating!

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