The answer would be A (Endocrine-Nervous)
Hope this helps!
B.
Explanation: common sense
Answer:
risk factors are:
1. Having unprotected sex. ...
2. Having sexual contact with multiple partners. ...
3. Having a history of STIs . ...
4. Being forced to engage in sexual activity. ...
5. Misuse of alcohol or use of recreational drugs. ...
6. Injecting drugs. ...
7. Being young.
Proper spelling of medical terminology in health related professions is extremely important, because you don't want to make a mistake when it comes to a person's health.
A doctor cannot prescribe Inderal (used to treat angina), when he meant to prescribe Adderall (to treat narcolepsy and ADHD).