The function of the respiratory system is to deliver air to the lungs. Oxygen in the air diffuses out of the lungs and into the blood, while carbon dioxide diffuses in the opposite direction, out of the blood and into the lungs.Respiration includes the following processes: Pulmonary ventilation is the process of breathingâinspiration (inhaling air) and expiration (exhaling air).xternal respiration is the exchange if oxygen and carbon dioxide between the blood and air in the lungs, and internal resparation is the exchange of gases between blood cells of the body.
Boxes can be painted or stained with a light color on the outside and left natural on the inside. Birdhouses for Eastern Bluebirds should be approximately 4 x 4 inches to 5 x 5 inches with entry holes that are either 1 inch round holes, 1 3/8 x 2 vertical oval holes or 1 1/8 inch horizontal slot entrances.
Most experts recommend getting as large a bird cage as you can afford. As a guideline, we recommend customer consider African Grey cages that are 36â wide, 24â deep, and 40â high. However this is not possible a minimum cage size for an African Grey cage is 34â wide, 24â deep, and 36â tall. Also important to the African Grey are bird toys and activities. Be sure you select a bird cage that has sufficient room to add many different toys, activities and perches.