Step 1 basic requirement is the level of demand for the first level, which is the basic requirement is a requirement for survival. Your body needs food, air, water requirements, including apparel, excretion and sexual needs.
Step 1 basic needs The first level is the level of demand, which is a basic need. It needs to survive. Physiological needs, including the need for food, clothing, water, air, excretion and lust.
Step 1 basic need. The first level is the level of demand, which is the basic requirement. As the need for survival, the physiological needs, including the demand for food, water, and air apparel excretion.