Bacteria constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria have a wide range of shapes, ranging from spheres to rods and spirals....
A lumen (Lat. lūmen, an opening or light) (pl. lumina) in biology is the inside space of a tubular structure, such as an artery or intestine. By extension, the term lumen is also used to...
Digestion is the mechanical and chemical breakdown of food into smaller components that are more easily absorbed into a blood stream, for instance. Digestion is a form of catabolism: a breakdown of large food molecules...
Feeling is the nominalization of the verb to feel. The word was first used in the English language to describe the physical sensation of touch through either experience or perception. The word is also used...
Food energy is energy that an animal derives from its food, through the process of cellular respiration, the process of joining oxygen with the molecules of food (aerobic) or of reorganising the atoms within the...
Apium graveolens var. dulce is a plant variety in the family Apiaceae. The plant grows to 1 m tall. The leaves are pinnate to bipinnate leaves with rhombic leaflets 3–6 cm long and 2–4 cm broad. The flowers...
Eating (also known as consuming) is the ingestion of food to provide for all organisms their nutritional or medicinal needs, particularly for energy and growth. Animals and other heterotrophs must eat in order to survive:...
Have you ever been in awe of a child’s depth of imagination and how they make associations between two or more completely unrelated things and come up with the most incredible conclusions? Like, “Look mom!...
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