The physical barrier of the immune system is your body tissue and skin.
Answer:
cultural Intimidation
Explanation
Cultural Intimidation is when family or friends of the victim try to discourage him or her from assisting an investigation or an inquiry. This can happen especially when they feel such assistance may end up bringing shame to them.
Answer:
in angiosoerms has closed seeds and gymnosperms has opennseeds
Answer: The only way to have intercourse safely is to use protection, and even sometimes its not ultimately guaranteed the woman won't become pregnant. If you don't use protection, the woman is most likely going to get pregnant, so either use protection or just don't have intercourse at all. Also make sure you are mature and old enough to have intercourse in the first place.