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Underwater hearing is by bone conduction, and localization of sound appears to depend on differences in amplitude detected by bone conduction. [7] As such, aquatic animals such as fish have a more specialized hearing apparatus that is effective underwater. [8] Fish can sense sound through their lateral lines and their otoliths (ears).
What level of pain do fish feel? That, too, is unknown. Zangroniz said studies only use a few species of fish and don't represent the more than 30,000 fish species that exist.
Emotional pain is the pain experienced in the absence of physical trauma, for example, the pain experienced by humans after the loss of a loved one, or the break-up of a relationship. It has been argued that only mammals can feel "emotional pain", because they are the only animals that have a neocortex – a part of the brain's cortex ...
One physiological characteristic of sleep goes by the name of "homeostatic regulation". This is the notion that animals need a more or less constant amount of sleep every day, so that if a subject is deprived of sleep one day, the amount of sleep tends to "rebound" (increase) the next few days. This has been observed in zebrafish. At night ...
Side-sleeping may exacerbate pain, especially in the neck or shoulders on the side you sleep on, the experts noted. If you fall asleep on one arm, this can reduce circulation or cause numbness.
The symptoms (and their severity) experienced by women with PGP vary, but include: Present swelling and/or inflammation over joint. Difficulty lifting leg. Pain pulling legs apart. Inability to stand on one leg. Inability to transfer weight through pelvis and legs. Pain in hips and/or restriction of hip movement. Transferred nerve pain down leg.
The research found that about 41 percent of sleepers who slept on one side had nightmares, compared to 14.6 percent of sleepers who turned the other way. Sleeping on one specific side could give ...
The Atlantic wolffish (Anarhichas lupus), also known as the seawolf, Atlantic catfish, ocean catfish, devil fish, wolf eel (the common name for its Pacific relative), woof or sea cat, is a marine fish of the wolffish family Anarhichadidae, native to the North Atlantic Ocean.