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Questions and Answers
According to Fick’s law, the rate of gas transfer across the membrane is directly proportional to which of the following?
According to Fick’s law, the rate of gas transfer across the membrane is directly proportional to which of the following?
- Moisture content of the membrane
- Surface area of the membrane
- Thickness of the membrane
- Difference in partial pressure of gas on the two sides of the membrane and the membrane’s diffusing capacity (correct)
What enables the harvesting of energy from food molecules provided by the digestive system?
What enables the harvesting of energy from food molecules provided by the digestive system?
- Breathing
- Exchange of gases with body cells (correct)
- Cellular respiration
- Transport of gases by the circulatory system
What characterizes an efficient gas exchange surface according to the text?
What characterizes an efficient gas exchange surface according to the text?
- Large surface area and a small distance for gases to diffuse across (correct)
- Small surface area and a large distance for gases to diffuse across
- Large surface area and a moist environment
- Dry surface area and a large distance for gases to diffuse across
Where does gas exchange with the environment occur in animals?
Where does gas exchange with the environment occur in animals?
What is the gas exchange as we breathe often called?
What is the gas exchange as we breathe often called?
What is the largest airway that communicates with the external environment in the respiratory system?
What is the largest airway that communicates with the external environment in the respiratory system?
What are the microscopic air sacs in the lungs called in mammals and reptiles?
What are the microscopic air sacs in the lungs called in mammals and reptiles?
What determines the anatomy and physiology of the respiratory system in animals and plants?
What determines the anatomy and physiology of the respiratory system in animals and plants?
What is the term for the system of hollow tubes that connect the air sacs with the external environment?
What is the term for the system of hollow tubes that connect the air sacs with the external environment?
In birds, what are the microscopic air sacs in the lungs known as?
In birds, what are the microscopic air sacs in the lungs known as?
