Join IDNLearn.com to access a wealth of knowledge and get your questions answered by experts. Discover in-depth and trustworthy answers from our extensive network of knowledgeable professionals.
Sagot :
Answer:
External respiration is the exchange of gases with the external environment, and occurs in the alveoli of the lungs.
The alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out. External Respiration. Exchange of gases between air and blood at pulmonary capillaries (Alveoli) is the second stage. So it would be the 2nd stage
Your participation is crucial to us. Keep sharing your knowledge and experiences. Let's create a learning environment that is both enjoyable and beneficial. Thank you for choosing IDNLearn.com. We’re dedicated to providing clear answers, so visit us again for more solutions.