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Mar 18, 2015 · The chest is the area of origin for many of the body’s systems as it houses organs such as the heart, esophagus, trachea, lungs, and thoracic diaphragm.
- Lung Anatomy, Function, and Diagrams
The oxygen-rich blood from your lungs is sent back to your...
- Heart
Blood flowing through the right side of the heart is...
- Lung Anatomy, Function, and Diagrams
Feb 13, 2023 · Your heart and your lungs are two of the most vital organs in your body. In addition to sharing a chest cavity, the functions of the heart and the lungs are closely intertwined. How it Works. With each beat, your heart sends blood throughout the body.
Jun 11, 2024 · In humans, the heart is situated between the two lungs and slightly to the left of center, behind the breastbone. It rests on the diaphragm, the muscular partition between the chest and the abdominal cavity.
- The Editors of Encyclopaedia Britannica
- The heart consists of several layers of a tough muscular wall, the myocardium. A thin layer of tissue, the pericardium, covers the outside, and ano...
- The pumping of the heart, or the heartbeat, is caused by alternating contractions and relaxations of the myocardium. These contractions are stimula...
- The rhythmic noises accompanying the heartbeat are called heart sounds. The two distinct sounds are heard, a low, slightly prolonged “lub” (first s...
- Asthma
- Bronchitis
- Chronic Obstructive Pulmonary Disease
- Pneumonia
- Tuberculosis
Asthma is the most common chronic lung condition. Allergic asthmatypically begins in childhood. Asthma attacks happen when the airways tighten and narrow, slowing down air flow. The lungs also become swollen and inflamed. Asthma can be triggered by an allergic reaction, pollution, exercise, other respiratory illness, and cold air.
This chest infection happens in the main airways, the bronchi. It may be due to a viral or bacterial infection. Acute bronchitishappens suddenly and can sometimes spread into the lungs from an upper respiratory tract infection, such as a common cold.
This condition is also known as chronic bronchitis or emphysema. COPDgets worse over time. It may be caused by smoking, air pollution, chemicals, or a genetic condition. COPD often leads to disability and is the fourth most common cause of deathTrusted Sourcein the U.S.
This is a chest infection deep in the bronchioles and alveoli. Pus and mucus can build up, and the lungs may swell. This makes it difficult to breathe. Pneumoniacan happen to anyone. Young children, the elderly, smokers, and people who are ill are at higher risk.
This bacterial infection is spread through air droplets from coughs and sneezes. It’s difficult to become infected. Tuberculosis can be serious and lead to lung scarring. It may also stay in the body without causing symptoms or spread to other parts of the body.
Sep 30, 2020 · The heart sends deoxygenated blood to the lungs, where the blood loads up with oxygen and unloads carbon dioxide, a waste product of metabolism. Together, the heart, blood, and blood vessels —...
Jul 27, 2022 · The human heart is located in the center of the chest - slightly to the left of the sternum (breastbone). It sits between your lungs and is encased in a double-walled sac called the pericardium...
Mar 10, 2015 · Blood flowing through the right side of the heart is returning from all over the body before it is sent to the lungs where it receives oxygen. The heart has three layers. They are the:...
