**Here are 10 examples of using the word «poisonous» in English:**
1. The berries of this plant are bright and attractive, but they are extremely poisonous and can cause serious health problems if ingested.
2. The snake bite was very dangerous, as the snake was known to be highly poisonous and its venom could lead to death if not treated quickly.
3. The garden was overgrown with weeds, and some of them looked like harmless plants, but in fact, they were poisonous and could cause skin irritation if touched.
4. The company had to recall the product after it was discovered that some of the ingredients were poisonous and could harm consumers.
5. The forest was full of insects, but some of them were poisonous and their bites could cause allergic reactions or even anaphylaxis.
6. The plant extract was used in traditional medicine for centuries, but it is now known that it contains poisonous substances and should not be used without medical supervision.
7. The animal's bite was painful, and the victim started feeling symptoms of poisoning, so they immediately sought medical help.
8. The researcher carefully studied the composition of the plant and found out that some of its parts contain poisonous compounds that can harm the liver.
9. The book warned about the dangers of poisonous plants and animals, and provided information on how to avoid contact with them.
10. The mushroom looked like a good edible species, but it turned out to be poisonous, and the person who ate it had to go to the hospital.