The Denisova and Altai Neandertal are homozygous for the ancestral âAâ variant at position 25629943 on chromosome 1 that determines rhesus type in modern humans. This variant means that both are likely rhesus positive.
In this article. Interstitial lung disease is a general category that includes many different lung conditions. All interstitial lung diseases affect the interstitium, a part of the lungs ' anatomic structure. The interstitium is a lace-like network of tissue that extends throughout both lungs.
How COPD Affects Breathing. When your lungs are healthy and work properly, the air you breathe moves freely in and out. Inside your lungs are airways, which are called bronchial (BRONK-ee-ol) tubes. The airways branch into clusters of air sacs called alveoli (AL-vee-OL-ee).