cappileries exchange gasses in the body and they are the smallest vessel in the body i believe the also are attached to the lym phatic system
Nose, Lyranx, trachea, bronchia, alveoli, lungs and blood capplieries which carry oxygen with blood comprises the respiratory system. Note: Blood cappileries and heart majorly comes under circulatory systme.
air exchange takes place at the juction of blood cappileries and alveoli where the pressure of air is high in alveoli and low in blood so air from alveoli rush into blood and CO2 from blood rush in to alveoli which is then breath out
Erythema at the gastroesophageal junction can be caused by conditions such as gastroesophageal reflux disease (GERD), gastritis, or Helicobacter pylori infection. Irritation and inflammation of the lining of the esophagus and stomach can lead to this redness or erythema at the junction between the two.