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Human tears. Tears are a clear liquid secreted by the lacrimal glands (tear gland) found in the eyes of all land mammals. [1] Tears are made up of water, electrolytes, proteins, lipids, and mucins that form layers on the surface of eyes. [2] The different types of tears—basal, reflex, and emotional—vary significantly in composition. [2]
Lacrymaria olor is a species of ciliates, typically 100 micrometres (0.10 mm) long, that is found in freshwater ponds.Its name means "swan tear" in Latin, and refers to its general shape: namely, a teardrop-shaped cell with a small "head" at the end of a long slender "neck".
Bacteria. In the microbial food web, bacteria play a crucial role in breaking down organic materials and recycling nutrients. They transform DOC into bacterial biomass so that protists and other higher trophic levels can consume it. Additionally, bacteria take part in the nitrogen and carbon cycles, among other biogeochemical cycles. [4] Algae
People have had to have their eyes surgically removed due to the bacteria
There are actually different types of tears. So what are they and why exactly do we cry? Experts explain. ... Food. Games. Health. Home & Garden. Lighter Side. Medicare. News. Science & Tech ...
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Soleirolia soleirolii (/ s oʊ ˌ l iː ə ˈ r oʊ l i ə s oʊ ˌ l iː ə ˈ r oʊ l i ˌ aɪ, ˌ s oʊ l ɪ ˈ r oʊ-/, [2] [3] syn. Helxine soleirolii) is a flowering plant in the nettle family.It has a number of common names, including baby's tears, angel's tears, peace in the home, bits and pieces, bread and cheese, Corsican creeper, Corsican curse, friendship plant, mind-your-own ...
When bacteria enter our bodies through cuts in the skin or through food we eat, our immune systems are trained to kick in. White blood cells surge to form scabs. Stomach acids attack. But eyes are ...