Health ! answer all these . also don't ask a question, or something random as a answer! if you have a question put it in the "ask for details" tab. earn 50 points, and brainliest! thx

3. Pituitary 
10.nausea, vomiting...
11. labor
12. three
13 placenta
14 trust, love..
16. married, mature...
17. burdens...
18 stds
19. hiv
20 abstinence 
21 date...
22 abstinence
23 emotions
24 menst...
25 alcohol
26 all?
27 pre. care
28 relationships
29 std
Hope this helps, but remember to study also. 

I am so sorry for the inconvenience I caused you earlier! Hee are all the answers in ONE place:
3. PITUITARY.
5. MENSTRUATION, BODY HAIR, WIDER HIPS.
6. ETROGEN.
7. TESTOSTERONE.
8. SPERM CELLS.
9. 2 MONTHS.
10. NAUSEA, VOMITING, MISSED MENSTRUAL PERIOD.
11. LABOR.
12. THREE.
13. PLACENTA.
14. TRUST, LOVE, EMPATHY.
15. COMMITMENT.
16. WHEN YOU ARE MARRIED, MATURE, AND RESPONSIBLE.
17. FINANCIAL BURDENS, EXHAUSTION.
18. SEXUALLY TRANSMITTED DISEASES (STDs).
19. SHINGLES.
20. WASHING HANDS AND BATHING.
21. DATE R*PE.
22. ABSTINENCE.
23. YOUR EMOTIONS.
24. DURING HER MENSTRUAL PERIOD.
25. DRINKING ALCOHOLIC BEVERAGES.
26. SMOKING.
27. PRENATAL CARE.
28. PARENTHOOD.
29. AN STD

I HOPE THIS HELPED YOU WITH YPUR TEST! :)

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Ithink that it is the brain.