It is average for a human to lose between 50 and 100 hairs from their head everyday.
It's called "hair shedding" and it's definitely different from "hair loss."
Hair loss occurs when something prevents hair from growing.
"Losing over 100 hairs per day ? or 700 hairs per week ? would be classed as excessive and may indicate an underlying issue which is causing the hair cycle to shorten and shed more hairs than normal per day. This will [also] cause the hair to feel fine and thin.