What advantage over an aquatic organism does a terrestrial organism
have with regard to obtaining oxygen for respiration?
What are the different ways in which glucose is oxidised to provide
energy in various organisms?
How Is oxygen and carbon dioxide transported in human beings?
How are the lungs designed in human beings to maximise the area for
exchange of gases?
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Answers
Answer:terrestrial organisms can easily filter oxygen from air but aquatic organisms have to filter oxygen from water which is little more tough
Explanation:
Answer:
Explanation:
Ans 1 . Terrestrial organisms take up oxygen from the atmosphere whereas aquatic animals obtain oxygen from water. Air contains more O2 as compared to water. Since the content of O2 in air is high, the terrestrial animals do not have to breathe faster to get more oxygen.
Ans 2 .
1. Anaerobic Respiration
This process takes place in absence of oxygen, e.g. in yeast during fermentation. In this case pyruvate is converted into ethanol and carbon dioxide.
2. Aerobic Respiration
In aerobic respiration, breakdown of pyruvate takes place in presence of oxygen to give rise 3 molecules of carbon dioxide and water. The release of energy in aerobic respiration is much more than anaerobic respiration.
Ans 3. The two main gases exchanged are oxygen and carbon-dioxide. Oxygen is absorbed by the blood capillaries from the lungs alveoli by diffusion while carbon-dioxide is absorbed by the lungs alveoli from blood capillaries by diffusion. ... Oxygen is transported from lungs to the body cells in the form of oxy-hemoglobin.
Ans 4. These provide a surface where exchange of gases can take place. The walls of alveoli show an extensive network of blood vessels.
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