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 in the human body occur in lungs. it is described as follows:-. When we inhale atmospheric air, through the nose it go to the trachea and then via bronchus and bronchioles it ultimately go to the alveolus where exchange of different gas takes place. Alveolus is the sac filled with air and it is functional unit of lung.