| adenoid |
(usually plural) a mass of tissue that grows behind the nose in the upper part of the throat. When swollen, the adenoids can make breathing difficult. |
| allergy |
a condition in which a person's body has an unusual reaction to certain things. An allergy can cause itching, coughing, sneezing, or trouble breathing. Allergies to animal hair, pollen, and certain foods are among the most common. |
| anemia |
a medical condition caused by having too few red blood cells or red blood cells that are not working properly. People with anemia may be pale, feel weak, and have difficulty breathing. |
| Aqua-Lung |
trademark for an underwater breathing device. |
| artificial respiration |
the forcing of air into and out of the lungs of a person who has stopped breathing. |
| breath |
the air that flows into and out of the lungs during breathing. [1/3 definitions] |
| breathless |
breathing hard following a lot of exercise or physical effort. [1/2 definitions] |
| choke |
to stop or prevent the breathing of by squeezing or blocking the windpipe. [2/4 definitions] |
| click |
a sound that is made in some African languages by breathing in and clicking the tongue. [1/7 definitions] |
| cough |
to release air noisily from the lungs. A cough results from illness or from breathing in foreign matter. [1/4 definitions] |
| CPR |
a method of reviving heart attack victims by breathing into the mouth and applying strong, rhythmic pressure to the chest. "CPR" is an abbreviation of "cardiopulmonary resuscitation." |
| croup1 |
a disease in children that causes coughing and difficult breathing. |
| distemper |
a disease that infects mostly dogs, but also cats and horses. Distemper causes fever, loss of appetite, and breathing difficulties. |
| diver |
a person who works under water, using special clothing and equipment for breathing. [1/2 definitions] |
| expiration |
the act of breathing out. [1/2 definitions] |
| fish |
an animal that lives in water and has fins for swimming and gills for breathing. Fish are cold-blooded animals with skeletons inside their bodies. Most fish have scales on their skin. There are many kinds of fish, including salmon, goldfish, tuna, and sharks. [1/5 definitions] |
| gasp |
a sudden, brief taking in of air through the mouth, because of surprise or difficulty breathing. [1/3 definitions] |
| gill1 |
the organ used for breathing by fish and other animals that live in water. |
| inhale |
to breathe in; take in by breathing. |
| lung |
one of two organs in the chest that are used in breathing. Lungs are found in mammals, birds, reptiles, and some other animals. They bring oxygen to the body and get rid of carbon dioxide. |
| muggy |
warm and damp so as to make breathing difficult. |