_______________________ is the largest muscle, which is also the most efficient. It is located under the lungs and separates them from the other internal organs such as the liver, the stomach, the intestines and etc.
A. Trachea
B. Bronchi
C. Bronchioles
D. Diaphragm
Select your answer:

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Biotechnology › ViewThe main difference between Prokaryotes and Eukaryotes is
A. Presence of a cellular nucleus in Eukaryotes and absence of a nucleus in Prokaryotes
B. Prokaryotes are multicellular while Eukaryotes are unicellular
C. Prokaryotes reproduce sexually while Eukaryotes reproduce asexually.
D. Presence of a nucleus in Prokaryotes and absence of a nucleus in Eukaryotes
Cardiology › View
An auscultatory sound best heard using the diaphragm with the patient holding their breath in expiration is
A. Mitral stenosis
B. Pericardial rub
C. Tricuspid regurgitation
D. Aortic regurgitation