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The platypus is one of the few living mammals to produce venom. The venom is made in venom glands that are connected to hollow spurs on their hind legs; it is primarily made during the mating season. [1] While the venom's effects are described as extremely painful, it is not lethal to humans.
This complex chemical cocktail is a dangerous defense, but it might also have beneficial qualities for humans as well. One hormone found in platypus venom, glucagon-like peptide-1 (GLP-1), plays a ...
The rat is known to deliberately chew the roots and bark of the poison-arrow tree (Acokanthera schimperi), so-called because human hunters extract a toxin, ouabain, to coat arrows that can kill an elephant. After the rat has chewed the tree, it deliberately slathers the resulting mixture onto its specialised flank hairs which are adapted to ...
This is a list of the deadliest animals to humans worldwide, measured by the number of humans killed per year. Different lists have varying criteria and definitions, so lists from different sources disagree and can be contentious. This article contains a compilation of lists from several reliable sources.
When that happens, the fish immediately release venom into whatever disturbed it. Effects are fast acting and can include heart stoppage, seizures, and paralysis. Number 8.Cleaning the toilet. No ...
Jellyfish sting using microscopic cells called nematocysts, which are capsules full of venom expelled through a microscopic lance. Contact with a jellyfish tentacle can trigger millions of nematocysts to pierce the skin and inject venom. [9] Some hydrozoans, including the Portuguese Man o' War (Physalia physalis) Some sea anemones; Some corals
A recent Washington Post analysis of government data between 2001 and 2013 found that the main culprits are flying insects such as bees, wasps, and hornets which kill an average of 58 people annually.
The venom is composed largely of defensin-like proteins (DLPs) produced by the immune system, three of which are unique to the platypus. [44] In other animals, defensins kill pathogenic bacteria and viruses, but in platypuses they are also collected into a venom against predators.