If you mean other than food and drinks, here is a list:
Paper clips
Erasers
Napkins
Index cards
Salt packets
You can also swallow the capitol letters of all that are on the list.
A tooth is not toxic in itself, but a tooth sometimes has had cavities filled with a substance called amalgam, which contains mercury and is therefore not safe to swallow. So, it depends on the tooth. Some are safe to swallow, some are not.
depends on the girl, some spit, some swallow.
Yes. The Barn Swallow, Bank Swallow, Cliff Swallow, Tree Swallow and the Northern Rough-winged Swallow are amongst some of the breeds of swallow found in the USA.
It becomes weaker after colliding into other objects and dispersing some of its energy in other directions as well as picking up some foreign noise carried with it from the objects it bounces off.
Some safe and durable toys for toddlers who enjoy throwing objects are soft plush balls, foam blocks, and bean bags. These toys are designed to be lightweight and less likely to cause injury or damage when thrown.
There are scores of objects that are made out of thermoplastic. Some of them are plastic food containers especially those that are microwave safe, stationery folders, storage bins and CD cases.
some would swallow jewlery in the knowledge that they would retrieve it later. It was a safe method of transporting it as they would very often be searched.
some can
Some people try to swallow a spoon of cinnamon as part of a challenge or social media trend. However, this is not recommended as it can be dangerous and lead to choking, aspiration, or irritation of the throat and lungs.
The barn swallow is what is commonly referred to when speaking of a European swallow. The bird is mostly blue with some reddish-brown coloring on its face and a white underbelly.
I would not make it part of your diet. Occasionally we all swallow a strand of hair, but if you are continuously swallowing hair, there will obviously be a cause and effect of some type. We are not cats who can cough up hair balls! Another answer no it is not good because hair balls are going to start growing inside your body. and then you can not breath.
There is some risk involved with any activity in the stock market. Trading foreign currencies takes special knowledge of the stability of the countries whose currency you are exchanging. Is it safe? I suppose it is as safe as the knowledge of the person doing the trading!