Answer to Question 1
Gas exchange may be impaired if the alveolar septa are thickened and scarred. It also may be impaired if pulmonary blood flow to a portion of the lung is obstructed or by blockage of pulmonary capillaries by fat emboli or foreign material. Also, if the pulmonary alveoli become filled with fluid or inflammatory exudates, inspired air cannot enter the diseased alveoli, and pulmonary gas exchange is impeded.
Answer to Question 2
More technically difficult to perform; may lead to spontaneous abortion and limb deformities
There are multiple pathways for heat exchange between organisms and the environment.
Gas exchange occurs at the alveolar capillary membrane.
The lower respiratory tract and the process of gas exchange.
Sensory Crossover Device for Visually Impaired People
The consequences of a single exchange between two nonsister chromatids
For the circuit in Figure 1, assume ideal diodes. The peak inverse voltage is approximately