E. All of the above. Why do we need so many alveoli? What occurs in emphysema? What acts as a film to keep alveoli open? Which of the following structures is the main site of gas exchange within the respiratory system? (a) Bronchi (b) Pleura (c) Bronchioles (d) Alveoli (e) ...
The trachea (or windpipe) is a wide, hollow tube that connects the larynx (or voice box) to the bronchi of the lungs. What is the function of vessel? The blood vessels are part of the circulatory system and function to transport blood throughout the body. The most important types, ...
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An article is described, which includes a metal-based substrate, such as a superalloy; a dense, primary bond layer; and a spongy secondary bond layer. A thermal barrier coating is applied over the secondary bond layer. The spongy layer has a microstructure which includes an open network of ...
The anterior–posterior supine chest X-ray (CXR) is a routine investigation performed in intensive care units (ICUs). Being a widely accessible imaging technique, which can be performed at the patient’s bedside and at a low healthcare cost, it provides additional diagnostic support to the cli...
Human errors may contribute to the development of drug-resistance because of the improper use of anti-TB drugs. Two pathways lead to the development of genetic resistance: (i) primary resistance, when a person is infected with a drug-resistant strain, and (ii) acquired resistance, when a per...
muciniphila is most abundantly present in the colon, the presence of Akkermansia-like spp. along the digestive tract indicates that this bacterium might have more functions than those currently known. Keywords: Akkermansia muciniphila; mucin; gut microbiota; ecological niches; digestive tract; human...