What covers the skin of a worm?
The worm’s skin is protected by a thin cuticle and kept moist by a slimy mucus. This lets it absorb the oxygen it needs and expel carbon dioxide. If a worm is dried up by the sun, it will die because the exchange of gases can’t take place.
Do earthworms have an exoskeleton?
Earthworms do not have an internal skeleton as we do, and they do not have a protective hard exoskeleton as does an insect. They are flexible, long bundles of muscle, especially designed for life underground. The characteristic wriggling of earthworms is done with two kinds of muscles.
Is earthworm and insect?
No, worms are not insects. Both worms and insects are classified under the Kingdom Animalia. The animal kingdom is split into two groups: vertebrate, animals with a backbone, and invertebrate, animals without a backbone. Both worms and insects are invertebrates.
What happens after snake bite?
Venomous snake bites can produce an array of symptoms, including localized pain and swelling, convulsions, nausea, and even paralysis. First aid steps you can take after a snake bite occurs include cleaning the wound, remaining calm, and immobilizing the affected area.
Does peeing on a snake bite help?
The simple answer is no, because this will waste valuable time that would be better used getting you to the nearest hospital to receive antivenom. It is not that urine is useless, it just doesn’t help snakebites. Urine contains , which softens the skin and is contained in many creams, such as those for cracked heels.
Why can humans only be treated with antivenom once?
Is it true that you can only get antivenom once? The reason was that a person’s immune system might recognize the animal serum in the antivenom, and there might be either a serious allergic reaction or a severe case of “serum sickness.” But even back then, many people got antivenom a second (or third, or fourth…)
How long does it take to die from a rattlesnake bite?
So remove tight clothing and jewelry close to the bite. Call emergency medical help immediately. If you are able to call emergency help immediately, you are significantly less likely to die from the bite. Without treatment, the body’s systems will break down over the course of two to three days, ending in death.