七选五Have you ever wondered what causes you to yawn too much? Yawning can be defined as an involuntary(无意识的) action of opening the mouth wide and then breathing air inside, which fills up the lungs, causing the lungs to expand. All of us yawn. 45 . What is the ac-tual reason ...
20 What causes the air pressure in the lungs to decrease during breathing in? A A contraction of the external intercostal muscles and diaphragm B expansion of the lungs causing a decrease in the volume of the alveoli C outward movement of the ribs and upward movement of the diaphragm D highe...
(a) What causes a collapsed lung? (b) Is a collapsed lung functional? (c) Why or why not? The Lungs: The lungs are the organs of the respiratory system that allow us to breathe. They are made up of two spongy organs, called the left lung and the right lu...
you handle the mom. Tell her that you'd just sit home and watch TV and die, but you've got to go through the motions and try to save her daughter's life. It's a doctor thing.
Restrictive lung diseases cause the air-holding capacity of the lungs to reduce drastically, thereby limiting the ability of the lungs to expand during inhalation. Unlike obstructive lung diseases such asasthma,COPD, bronchiectasis, emphysema, and bronchiolitis which are characterized by increased resistan...
Pregnant people have reported the following changes during lightening: Easier breathing: When a baby moves downward, it creates more room for the lungs to expand, so you may notice that you canbreathe more freely. Your belly hangs lower: You may notice that there's more space between your br...
Similarly, the pleura makes it easier for the lungs to expand by reducing friction between them and the surrounding tissues, but also makes the outer layer of the lungs cling to the surrounding tissue, which helps keep them from collapsing inwards. Related Problems Problems with a serous ...
Discover the common causes of leg swelling, from medical conditions to pregnancy. Learn about symptoms, treatments, and when you should see a doctor.
On the other hand, restrictive lung disorders, like idiopathicpulmonary fibrosis, can cause the lungs to become stiff and require greater effort to expand during inspiration. Apulmonary embolism, which is a sudden obstruction of an artery of the lung frequently caused by a blood clot, is a less...
When the airways constrict during a bronchospasm, people may experience sensations of pain, pressure or tightness in the chest, the Cleveland Clinic reports1. Chest discomfort may be more severe when the lungs expand during inhalation and can exacerbate breathing difficulties. People who experience sud...