Asthma is also a pulmonary disease in which there is obstruction to the flow of air out of the lungs, but the obstruction is usually reversible and between attacks of asthma the flow of air through the airways is usually good. COPD is also called chronic obstructive lung disease (COLD).
Definition of Thorax. 1. n. The part of the trunk between the neck and the abdomen, containing that part of the body cavity the walls of which are supported by the dorsal vertebrÃ¦, the ribs, and the sternum, and which the heart and lungs are situated; the chest. Definition of Thorax.
Like all other insects, butterflies have six legs and three main body parts: head, thorax (chest or mid section) and abdomen (tail end). They also have two antennae and an exoskeleton.gg (noun) - the first stage in a butterfly's life cycle. The larva or caterpillar hatches from a butterfly egg. Exoskeleton (noun) - a tough, external covering made of chitin, which supports the body and protects the internal organs. Head (noun) - the front body segment of an insect.