THORAX ABDOMEN AND PELVIS

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MEDICAL

LUNGS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is the largest muscle, which is also the most efficient and 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
Explanation: 

Detailed explanation-1: -The anatomical position and structure of the diaphragm is such that it forms a physical barrier between the abdominal cavity and the thorax. This allows the muscle to generate the negative pressures in the thorax to fill the lungs.

Detailed explanation-2: -The liver is located under the ribs on the right hand side of the body. It lies just below the lungs, under the top of the diaphragm to which it is attached. The diaphragm is the muscle beneath the lungs which regulates our breathing. The liver is partly protected by the rib cage.

Detailed explanation-3: -The diaphragm is the only organ which only and all mammals have and without which no mammals can live. The human is the only mammal which keeps the diaphragm parallel to the ground even during locomotion.

Detailed explanation-4: -The mammalian diaphragm muscle is essential for respiration, and thus is one of the most critical skeletal muscles in the human body.

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