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The diaphragm, a muscle below the lungs, contracts and actually makes the space in which the lungs are located, the thorax, get bigger. When this space gets bigger, the pressure inside it decreases. There is now a difference in pressure between the lung cavity and the outside air with the outside air having more pressure. Air goes from where the pressure is higher to where it is lower, and so it goes into the lungs. That's called inspiration or inhaling. When the diaphragm relaxes, the thorax gets smaller and the pressure increases in the lungs and air is forced out. Click the link for more information.
What else can I help you with?
What structure transports air to the lungs?
The trachea.
What part of the body transports air to lungs?
It is commonly called the Windpipe; the medical name is trachea.
How do turantulas breathe?
They have a small opening on their abdomen that takes in air and transports it directly to the lungs.
What organ system transports gasses between lungs and body cells?
The cardiovascular system transports gases between the lungs and the body's cells.
How do the lungs and heart transport oxygen in the cardio respiratory system?
The lungs hold air that is breathed in. Oxygen gas in the air moves into the blood. The heart pumps to transports this oxygenated blood to cells in the body that need it to produce energy.
What organ transports blood to lungs and body tissues?
heart
What is the air transports?
It is when you travel by air
Do veins return deoxygenated blood to the heart?
In general, yes. However, the exception is the pulmonary vein which transports oxygenated blood from the lungs to the hearts. In reverse, the pulmonary artery transports de-oxygenated blood to the lungs.
Is the job of the circulatory system to bring fresh air to blood?
No. The circulatory system does transport various gasses around the body but the main gas the body needs is Oxygen (and not 'fresh air'). The blood transports breathed in Oxygen from the lungs into the tissues and organs and transports waste gasses such as carbon dioxide from the tissues and organs to the lungs to be expelled when breathing out. The circulatory system's job is transportation of the gasses to and from where they need to go in the body.
How does the fresh oxygen transports to your blood?
thru your nose in to your lungs and finaly to you blood
What is the role of trachea?
The trachea, also known as the windpipe, transports air to and from the lungs during breathing. It is a vital part of the respiratory system, providing a passageway for air to travel to and from the lungs for gas exchange. The trachea is lined with cilia and mucus to help filter and moisten the air before it reaches the lungs.
The iron-containing pigment of the erythrocytes that transports oxygen from the lungs to all of the body tissues is?
The iron-containing pigment of the erythrocytes that transports oxygen from the lungs to all of the body tissues would be "Hemoglobin".
