4 ms·
Both intestines and lungs are epithelial tissue covered in mucus. I'm not that shocked by this news. Edit: though I don't like the title. It's not breathing.
by DoreenMichele 4y ago
Both intestines and lungs are epithelial tissue covered in mucus. I'm not that shocked by this news.
Edit: though I don't like the title. It's not breathing. It's absorbing oxygen.
Breathing involves inhalation and exhalation.
- yellowapple 4y agoWell I think most of us have the exhalation part figured out by now.
- deleted 4y ago[deleted]
- dredmorbius 4y agoBoth are also essentially diffusion surfaces for transfering vital substances into (and in the case of lungs, also out of) the body. The surface area of the lungs is commonly compared to that of half a tennis court, about 80--100 m^2. Checking just now, the surface area of the human digestive tract is about 32 m^2: https://pubmed.ncbi.nlm.nih.gov/24694282/ https://pubmed.ncbi.nlm.nih.gov/24694282/