6.5% on the net earnings of the company derived from doing business in Tennessee. Franchise (state) 0.25% of the greater of net worth or real and tangible property in Tennessee (minimum $100) Property (local) The 2017 property tax rates in Tennessee range from $0.9684 to $7.3814 per $100 of assessed value. Sales (state) The sales tax rate on food is 4%.
Gas exchange occurs in the lungs. The lungs consist of sacs called alveolus which exchanges oxygen and carbon dioxide to allow for respiration to occur.
Gas Exchange. Photo by: icholakov. Gas exchange is the process by which oxygen and carbon dioxide (the respiratory gases) move in opposite directions across an organism's respiratory membranes, between the air or water of the external environment and the body fluids of the internal environment.