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the part of anatomy that internally divides the thoracic cavity from the abdominal cavity is the

A.mediastinum
B.umbilicus
C.viscera
D.diaphragm.

Respuesta :

The  diaphragm is the part of anatomy that internally divides the thoracic cavity from the abdominal cavity. It separates the thoracic cavity, that where the heart and the lungs is located, from the abdominal cavity that contains many organs such as the stomach, liver, gallbladder and kidneys. 
Riia

Answer:

D. diaphragm

Explanation:

Diaphragm is a structure which divides the thoracic cavity from the abdominal cavity. It a a type of skeletal muscle which is membranous and dome shaped. When we inhale it contracts and flattens as a result of which a lot of space is created in the chest cavity so that incoming air could be pulled inside the lungs but when we exhale it relaxes as a result of which air pushed out of our body with the help of lungs.  

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