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.
The human gas exchange process happens in the lungs and this process is accomplished by the mechanisms of the heart. The process of movement of the air in and out of the lungs is called ventilation. Humans have closed circulatory system or two-circuit circulatory systems, the pulmonary circuit and the systemic circuit.