however, not all things that are edible constitute as human food. Humans eat various substances for energy, enjoyment and nutritional support. These are usually Human food is food which is fit for human consumption, and which humans willingly eat. Food is a basic necessity of life, and humans typically seek food out as an instinctual response to hunger; however, not all things that are edible constitute as human food. Humans eat various substances for energy, enjoyment and nutritional support. These are usually of plant, animal, or fungal origin, and cont Humans eat thousands of plant species; there may be as many as 75,000 edible species of angiosperms, of which perhaps 7,000 are often eaten. Most human plant-based food calories come from maize, rice, and wheat. Plants can be processed into bread, pasta, cereals, juices and jams, or raw ingredients such as sugar, herbs, spices and oils can be extracted. Oilseeds are often pressed to produce rich oils: sunflower, flaxseed, rapeseed (including canola oil) and sesame. Animals may be used as food either directly or indirectly. This includes meat, eggs, shellfish and dairy products like milk and cheese. They are an important source of protein and are considered complete proteins for human consumption, as (unlike most plant proteins) they contain all the amino acids essential for the human body. Some cultures and people do not consume meat or animal food products for cultural, dietary, health, ethical, or ideological reasons. Vegetarians choose to forgo food from animal sources to varying degrees. Vegans do not consume any foods that contain ingredients from an animal source. Fish and other marine animals are harvested from lakes, rivers, wetlands, inland waters, coasts,…