Snakes in nature

Snakes in nature
"Snakes" can be called one of the most important reptiles on earth, more than 3400 species in 20 genera in the world; But in Iran, there are seven families and more than 65 species, snake venoms are considered as important basic drugs in today's pharmaceutical industry.
The "behavior of snakes" is interesting in its own way, some snakes have a "death show", they kill themselves to avoid the "attack of an attacker", so you should not touch any "dead snake".