Random lines are used in this drawing. This is done by changing the frequency of the crossing of the lines, the artist was able to control the range of value produced. this method can also create a Variety of different textures.
How to Heal Your Organs with the Secret Powers of Fruits & Vegetables (Fresh Juice) David Kovacs for Elephant Journal. This infographic offers up the fruits and veggies that can, indeed, support the health of your various organs.