If stratified squamous epithelium lined the blood vessels, gas and  nutrient exchange across the vessel walls would become much more  complex, requiring multiple transports â¦ and making the process much  more energy intensive. 3 people found this useful.
Oven Drying. 1  1. Preheat the oven to 140 degrees Fahrenheit (60 degrees Celsius). 2  2. Turn the oven off. 3  3. Spread the mint leaves out onto a baking sheet.  4. Dry the leaves in the warm oven.
4-6 months. Tips. 1  To store fresh mint: (1) Trim the ends and place in a glass containing about one inch of water; (2) Cover with a loose-fitting plastic bag and refrigerate; (3) Replace water when it gets cloudy.