For the most part, physiological needs are obvious — they are the literal requirements for human survival. If these requirements are not met, the human body simply cannot continue to function.
Air, water, and food are metabolic requirements for survival in all animals, including humans. Clothing and shelter provide necessary protection from the elements. The intensity of the human sexual instinct is shaped more by sexual competition than maintaining a birth rate adequate to survival of the species.
Safety needs
With their physical needs relatively satisfied, the individual's safety needs take precedence and dominate behavior. These needs have to do with people's yearning for a predictable orderly world in which perceived unfairness and inconsistency are under control, the familiar frequent and the unfamiliar rare. In the world of work, these safety needs manifest themselves in such things as a preference for job security, grievance procedures for protecting the individual from unilateral authority, savings accounts, insurance policies, reasonable disability accommodations, and the like.
Safety and Security needs include: * Personal security * Financial security * Health and well-being * Safety net against accidents/illness and their adverse impacts
Love and belonging
After physiological and safety needs are fulfilled, the third layer of human needs are social and involve feelings of belongingness. This aspect of Maslow's hierarchy involves emotionally based relationships in general, such as: * Friendship * Intimacy * Family
Humans need to feel a sense of belonging and acceptance, whether it comes from a large social group, such as clubs, office culture, religious groups, professional organizations, sports teams, gangs, or small social connections (family members, intimate partners, mentors, close colleagues, confidants). They need to love and be loved (sexually and non-sexually) by others. In the absence of these elements,