GENERAL HISTOLOGY

RESPIRATORY SYSTEM

STRUCTURE OF TRACHEA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the muscular sheet that separates the thoracic and the abdominopelvic cavities?
A
Diaphragm
B
External Oblique
C
Latissimus Dorsi
D
Serratus Anterior
Explanation: 

Detailed explanation-1: -The diaphragm is a thin dome-shaped muscle which separates the thoracic cavity (lungs and heart) from the abdominal cavity (intestines, stomach, liver, etc.). It is involved in respiration, drawing downward in the chest on inhalation, and pushing upward in exhalation.

Detailed explanation-2: -A large, muscular sheet called diaphragm forms the floor of the chest cavity.

Detailed explanation-3: -Diaphragm. The diaphragm is the muscular sheet that forms a partition between the chest cavity and the abdominal cavity. Its movement during inhalation and exhalation regulates the pressure of the chest cavity which enables the movement of air in or out of the lungs.

Detailed explanation-4: -diaphragm, dome-shaped, muscular and membranous structure that separates the thoracic (chest) and abdominal cavities in mammals; it is the principal muscle of respiration.

Detailed explanation-5: -The floor of the chest cavity is known as the diaphragm.

There is 1 question to complete.