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Butterflies in the stomach is the physical sensation in humans of a "fluttery" feeling in the stomach, caused by a reduction of blood flow to the organ. This is as a result of the release of adrenaline and norepinephrine in the fight-or-flight response, which causes increased heart rate and blood pressure, consequently sending more blood to the muscles.
It can cause stomach aches, gas, constipation, diarrhea and a whole host of other wonderful conditions. Some evolutionary scientists say that the human mind hasn't yet evolved to handle our not ...
The scales on butterfly wings are pigmented with melanins that can produce the colours black and brown. The white colour in the butterfly family Pieridae is a derivative of uric acid, an excretory product. [13] [40]: 84 Bright blues, greens, reds, and iridescence are usually created not by pigments but through the microstructure of the scales.
Euthalia aconthea (baron butterfly) caterpillar found in India Caterpillar of Papilio machaon A monarch butterfly (Danaus plexippus) caterpillar feeding on an unopened seed pod of swamp milkweed. Caterpillars (/ ˈ k æ t ər p ɪ l ər / KAT-ər-pil-ər) are the larval stage of members of the order Lepidoptera (the insect order comprising ...
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[6] [dubious – discuss] [full citation needed] The zoological illustrator Frederick William Frohawk succeeded in rearing all the butterfly species found in Britain, at a rate of four per year, to enable him to draw every stage of each species. He published the results in the folio sized handbook The Natural History of British Butterflies in ...
Hypolimnas misippus, the Danaid eggfly, [2] [3] mimic, [3] or diadem, is a widespread species of nymphalid butterfly.It is well known for polymorphism and mimicry.Males are in a singular form, appearing blackish with distinctive white spots that are fringed in blue.
A necropsy determined that a black bear had garbage in its stomach, causing officials to say it was a "horrific way to die." Bear with intestinal blockage euthanized, stomach full of garbage Skip ...