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the lungs push against your chest when you breathe causing an almost flexing motion

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15y ago

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The diaphragm contracts and the pressure in the chest cavity decreases during?

The diaphragm contracts and moves downward during inhalation, which increases the volume of the chest cavity. This decrease in pressure in the chest cavity creates a pressure difference that allows air to flow into the lungs.


When the diaphragm contracts what happens to the size of the chest cavity?

It increases.


What is a smooth muscle that contracts or relaxes to change the volume of the chest?

The Diaphragm.


When my diaphragm contracts and moves downward?

When your diaphragm contracts and moves downward, it increases the volume of the chest cavity, causing a decrease in air pressure in the lungs. This negative pressure then allows air to be drawn into the lungs through the airways.


When the diaphragm contracts what shape is it?

When the diaphragm contracts, it becomes flatter in shape. This flattening of the diaphragm increases the volume of the chest cavity, allowing the lungs to expand and draw in air for breathing.


What happens to the volume of your chest cavity when you inhale?

When you inhale, the volume of your chest cavity increases. This expansion is caused by the contraction of the diaphragm and intercostal muscles, allowing more space for the lungs to expand and fill with air.


Are you inhaling or exhaling when the volume of the chest cavity increases?

inhaling


What is the size of chest during inhalation?

During inhalation, the size of the chest cavity increases as the diaphragm contracts and moves downward, while the intercostal muscles lift the ribcage upward and outward. This expansion lowers the pressure inside the chest cavity, allowing air to flow into the lungs. As a result, the volume of the thoracic cavity increases, facilitating the intake of air.


How does the diagram help us breath?

it contracts, pulling downwards to increase the volume in the chest.


When your inhale what contracts?

When you inhale, the diaphragm, a dome-shaped muscle located at the base of the chest cavity, contracts and moves downward. This contraction increases the volume of the thoracic cavity, causing a decrease in pressure and allowing air to flow into the lungs. Additionally, the intercostal muscles between the ribs also contract, further expanding the chest cavity.


What happens to the volume of his chest cavity when he inhales?

The volume of the chest cavity is reduced on exhalation. Imagine your lungs are balloons. Imagine the volume of a balloon full of air, compared to when it is not inflated. The balloon has a greater volume when it is inflated than when it is deflated - just like the lungs do!


What happens to the volume of your chest cavity when you enhale?

When you inhale, the volume of your chest cavity increases. This expansion lowers the pressure inside your chest relative to the outside air, allowing air to rush in and fill your lungs. This process is driven by the contraction of the diaphragm and the expansion of the ribcage.