Bronchoconstriction is another term that is familiar to people with asthma. Part of what happens during an asthma attack . The part "bronco" the word refers to the bronchial tubes that branch from the trachea to the lungs. "Constriction" refers to the contraction of the muscles that surround the airways.
When a person with asthma is exposed to certain triggers , the muscles around the airways can contract, thus narrowing the internal air duct and is difficult much air flow inlet and outlet of the lungs. The airway may also become inflamed and clogged with even more mucus. This causes symptoms like wheezing, coughing, chest tightness and difficulty breathing