One of the most important safety precautions is the good ol' saying think before you act. You can't react without thinking through your decision. Let me explain with an example -
Mark decides to jump off his roof because he thinks it would make for a good profile picture mid jump. However, because he didn't think through his decision - he didn't consider the fact he lived three stories up in an apartment complex.
Hopefully, this helped you! =)
the male reproductive system ....scrotum testes spermatic ducts sex glands and penis
depends what you want to do. But I would do vet because it pays. good :)
The answer for this would be 10 seconds