The answer is skin
The first line of defence is your innate immune system. Level one of this system consists of physical barriers like your skin and the mucosal lining in your respiratory tract. The tears, sweat, saliva and mucous produced by the skin and mucosal lining are part of that physical barrier, too.
Answer:
Nurse, Doctor, Dermatologyst, Surgeon
Recognize pathogens is the b cells’ job
Based on the information we have, we can confirm that when Simon is looking for the bottle containing pleural fluid, he should gravitate towards the bottle with a clear or slightly yellow liquid.
<h3>Why should he choose this bottle?</h3>
Simon is looking for pleural fluid. This means that he is looking to find a bottle with a sample of the fluid used by the lungs to allow breathing to take place. This liquid is described as a clear or slightly yellow-colored liquid.
Therefore, we can confirm that when Simon is looking for the bottle containing pleural fluid, he should choose the bottle with a clear or slightly yellow liquid.
To learn more about the lungs visit:
brainly.com/question/271268?referrer=searchResults
Cancer de pulmon o allergy’s
