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Made up of olfactory receptors and glands, the epithelium is used as a tool to smell others' body odour and pheromones. [10] Chemicals that produce odour pass through the olfactory epithelium to the olfactory bulbs , which contain biological receptors that detect the chemicals, and respond with an electrical signal transmitted to the brain by ...
Wearing fresh and clean clothes is also very important especially if you sweat a lot. Trimethylaminuria (TMAU), also known as fish odor syndrome or fish malodor syndrome, is a rare metabolic disorder where trimethylamine is released in the person's sweat, urine, and breath, giving off a strong fishy odor or strong body odor.
Geosmin (/ dʒ i ˈ ɒ z m ɪ n / jee-OZ-min) is an irregular sesquiterpenoid with a distinct earthy or musty odor, which most people can easily smell. The geosmin odor detection threshold in humans is very low, ranging from 0.006 to 0.01 micrograms per liter in water. [1]
[13] [21] The thick coat and large head suggest a larger animal than the muskox truly is; the bison, to which the muskox is often compared, can weigh up to twice as much. [22] However, heavy zoo-kept specimens have weighed up to 650 kg (1,430 lb). [7] Their coat, a mix of black, gray and brown, includes long guard hairs that almost reach the ...
Sailors are taught if the sunrise is red to take warning. The day ahead will be dangerous. "Red Sky at night, Sailors delight; Red Sky in the morning, Sailor's take warning." It may also be said as; "Red at morning, Sailors warning; Red at night, Sailors delight," or "Red sky at night, Sailor's delight; Red sky at morn, Sailor be warned."
Some studies suggest that red and blond hair are more common in females than in males (red more so than blond). In lighter-complected humans, male skin is visibly redder; this is due to greater blood volume rather than melanin. [48] [49] Conversely, females are lighter-skinned than males in some studied human populations.
It contains hemocyanin, a copper-based protein that turns blue when oxygenated, instead of the iron-based hemoglobin in red blood cells found in vertebrates, giving hemolymph a blue-green color rather than the red color of vertebrate blood. When not oxygenated, hemolymph quickly loses its color and appears grey.
The green form of N. scintillans is mainly found in the tropical waters of Southeast Asia, the Bay of Bengal, the Arabian Sea, the Gulf of Oman, [7] and the Red Sea. [5] The red form is more widespread, and is found in the seas of Central America, Europe, the Black Sea, East, South and Southeast Asia, and the Tasman Sea.