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.
What are the structures in the lungs where gas exchange takes place? The alveolus (plural = alveoli) is the tiny air sac in the lung  where gas exchange occurs. Oxygen from the inhaled air diffuses  through the walls of the alveoli and adjaceâ¦nt capillaries into the  red blood cells.