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The large muscle below the lungs that make them expand and bring in air is called the diaphragm. (dye-uh-fram). During inhalation, the diaphragm contracts, thus enlarging the thoracic cavity (the external intercostal muscles also participate in this enlargement). This reduces intra-thoracic pressure: In other words, enlarging the cavity creates suction that draws air into the lungs. When the diaphragm relaxes, air is exhaled by elastic recoil of the lung and the tissues lining the thoracic cavity in conjunction with the abdominal muscles, which act as an antagonist paired with the diaphragm's contraction.
During exercise or stress or any other cause of labored breathing, air movement is assisted by scalenes, sternocleidomastoid, intercostal muscles, serratus posterior (inferior and superior), all the abdominal muscles, and maybe levator costorum (we still dont know their exact function).
the diaphragm, the internal and external intercostal muscles and other accessory muscles such as sternocleidomastoid and others.
What else can I help you with?
What is the large band of muscle that controls the size of the chest cavity?
The heart you idiot!
What is that large band that controls the chest cavity?
The diaphragm is the large band of muscle that controls the chest cavity. It plays a crucial role in the process of breathing by contracting and relaxing to help expand and compress the lungs.
What is the large muscle on the floor of a chest cavity that helps you breathe?
diaphragm
What is the large band of muscle that controls the size of the cavity?
The heart you idiot!
Is the diaphragm the large band of muscle that controls the size of the chest activity?
Yes it is.
What occupy the large portion of the chest cavity?
lungs
Is a pectoralis major muscle a heart muscle?
No, it is not. It is the large chest muscle.
What is the name of the large flat muscle that moves up and down in changes the volume of air in the chest cavity?
It's called - the diaphragm (pronounced di-a-fram)
What kind of surgeon operates on the lungs heart or the large bloods vessels within the chest cavity?
what kind of surgeon operates on the lungs , heart, or the large blood vessels within the chest cavity
What kind of surgeon operates on the lungs heart or the large blood vessels within the chest cavity?
what kind of surgeon operates on the lungs , heart, or the large blood vessels within the chest cavity
What is the large muscle on the front of the chest?
Pectorals
How many cavities does the thoracic cavity have?
The thoracic cavity is just one large cavity. It is smaller than the abdominopelvic (otherwise called just the abdominal) cavity. The thoracic cavity is called your chest.
