It would be Alcohol, any drug use,eating unhealthy, smoking,lack of working out, lol basically having intercourse at a young age without any protection, also unintentional injuries or violence.
P.s to prevent most of these all you need to know is right and wrong and if you know these thing can have consequences then don't do them also keep your legs closed , for one of them its important to work out every now and then
Answer:
you will know if you and your baby are healthy. Also if you lose alot of blood you can get a blood transplant, and you could get an epidural
Explanation:
Yes yes yes yes yes yes yes
Nerves. The brain and spinal cord are part of the CENTRAL nervous system, and the kidneys are part of the renal system.