answersLogoWhite

0

when you inhale..(take in oxygen)..the air fills up the lungs, the ribcage expands and the muscle sheet called the diaphragm pushes downward and flattens as you inhale ..whn you ehale the muscle returns back to domed-shape

User Avatar

Wiki User

16y ago

What else can I help you with?

Related Questions

What makes air moves into and out the lungs?

Pulmonary ventilation or breathing has two phases. Inspiration or inhalation moves air into the lungs and expiration or exhalation moves air out of the lungs. The lungs are enclosed within the thoracic cavity. Thus changes in the shape and size of the thoracic cavity result in changes in the air pressure within that cavity and in the lungs. This difference in air pressure causes the movement of air into the lungs. Air moves from an area where pressure is high to an area where pressure is low. Respiratory muscles are responsible for the changes in the shape of the thoracic cavity that cause the air movements involved in breathing.The abdominal diaphragm is (or should be) the major muscle driving respiration.Source(s):Structure and function of the body


What makes move into and out of the lungs?

Pulmonary ventilation or breathing has two phases. Inspiration or inhalation moves air into the lungs and expiration or exhalation moves air out of the lungs. The lungs are enclosed within the thoracic cavity. Thus changes in the shape and size of the thoracic cavity result in changes in the air pressure within that cavity and in the lungs. This difference in air pressure causes the movement of air into the lungs. Air moves from an area where pressure is high to an area where pressure is low. Respiratory muscles are responsible for the changes in the shape of the thoracic cavity that cause the air movements involved in breathing.The abdominal diaphragm is (or should be) the major muscle driving respiration.Source(s):Structure and function of the body


What muscular structure separates the thoracic and abdominopelvic cavity?

The diaphragm is the muscular structure that separates the thoracic cavity, which contains the heart and lungs, from the abdominopelvic cavity, which contains the digestive organs and reproductive organs. The diaphragm helps in breathing by contracting and relaxing to change the pressure within the thoracic cavity.


What structure separates the thoracic cavity from the abdominal cavity?

The diaphragm


Which structure separates the thoracic cavity from the abdominal cavity?

Diaphragm


How do you calculate cavity pressure?

Cavity pressure is typically calculated using pressure sensors located in the mold cavity during the injection molding process. These sensors measure the pressure exerted by the molten plastic as it fills the cavity. The pressure data collected helps ensure the molding process is running effectively and consistently.


What cavity contains the lungs and what structure divides it from the abdominal cavity?

The lungs and heart are found in the thoracic cavity and that cavity is superior to the diaphragm.


What causes a pressure chage in the chest cavity during breathing?

The movement of the rib cage changes the air pressure in the chest cavity depending on the physical activity the person is performing. If they are running, the air pressure will be constantly increasing and decreasing, leading to stress on the rib cage.


What structure separates the cranial cavity and thoracic cavity?

The cervical spine, or the neck.


What is a large cavity where water and nutrients are stored?

A large cavity where water and nutrients are stored in plants is called a central vacuole. This structure helps maintain turgor pressure, store ions and nutrients, and regulate cellular processes.


What is the function of cavity vent hole in valve?

fluid traped in cavity of ballvave is relived through cavity vent, care is taken pressure of fluid traped in cavity should not increse than upstream pressure of the valve.


What structure lines the medullary cavity?

endosteum