Let's, as an exercise in both laziness and irony, ask a non-human to answer (though it will merely regurgitate and recombine what actual humans have said):

ChatGPT:

The question of what it means to be human is a deeply philosophical one and has been pondered by thinkers, theologians, scientists, and artists throughout history. There's no single answer, as it encompasses a multitude of aspects including biological, psychological, social, and existential dimensions. Here are some perspectives:   

Biological Aspect: Biologically, humans are classified as Homo sapiens, a species of primates characterized by bipedal locomotion, complex brains capable of abstract thinking and language, and intricate social structures.

Consciousness and Self-awareness: One of the defining features of being human is consciousness - the ability to perceive and experience the world subjectively. This includes self-awareness, introspection, and the capacity to reflect on one's own existence.

Emotions and Empathy: Humans experience a wide range of emotions, including joy, sadness, anger, fear, and love. Empathy, the ability to understand and share the feelings of others, is also considered a hallmark of humanity.

Culture and Civilization: Humans have developed complex cultures, languages, art, and technology. These cultural creations distinguish us from other species and shape our identities as individuals and societies.

Moral and Ethical Reasoning: Humans possess a sense of morality and ethics, which guide our behavior and decision-making. This includes concepts of right and wrong, fairness, justice, and compassion.

Spirituality and Transcendence: Many humans seek meaning and purpose beyond the material realm, exploring questions of spirituality, religion, and existentialism. This quest for transcendence often involves grappling with the mysteries of life, death, and the universe.

Adaptability and Innovation: Humans are highly adaptable creatures, capable of thriving in diverse environments and solving complex problems. Our capacity for innovation and creativity has led to tremendous advancements in science, technology, and society.

Connection and Relationships: Humans are inherently social beings, forming deep connections with others through friendships, family bonds, romantic relationships, and community ties. These relationships contribute to our sense of belonging and fulfillment.

Ultimately, being human is a complex and multifaceted phenomenon that defies easy definition. It encompasses our biological nature, cognitive abilities, emotional experiences, cultural creations, moral aspirations, and spiritual quests. It's a journey of self-discovery and meaning-making that continues to unfold throughout our lives.