By respiratory system we usually mean the passages that transport incoming air to the lungs and to the microscopic air sacs called alveoli where gases are exchanged. The term respiration refers to the whole chain of processes from the inhalation of air to the use of oxygen in the cells. Index. Reference.
Phagocytes are the white blood cells that protect the body by eating (phagocytosing) dirt, bacteria and dead or dying cells. They are important for fighting infections. They are also important for becoming immune. Phagocytes are important in all animals and are very complex in vertebrates.
What are the function of Astrocytes? 1. provide structural support to the nervous system, 2. regulate potassium concentration in the nervous tissue 3. Forms a protective layer with other glial cells between the pia matter and the brain and spinal cord.4. influence the foramation of tight junction between endothelial cells of capillaries 5.hat are the function of Astrocytes? 1. provide structural support to the nervous system, 2. regulate potassium concentration in the nervous tissue 3. Forms a protective layer with other glial cells between the pia matter and the brain and spinal cord.