Answer:
D. all of the above
Explanation:
Sending signals is what computers do like me typing which will send the computer a signal that I am writing this letter. I also, control my breathing and heart rate with my brain, the brain sends nerves through the spinal cord which makes me move and sends them to other parts of the body so they can move too. Therefore, it is just like that.
Answer:
Make up an excuse or text your parent to call you and make it seem like they really want you home and then have them come pick you up. Your parents shouldn't be mad when you tell them the truth and that you felt unsafe. But don't risk yourself for what some "friend" thinks, if they are truly your friend they will care about you and wouldn't put you in a situation like that.
Explanation:
Hope this helps!
Answer:
One of your kidneys, appendix and tonsils
Explanation:
Sorry I read Cant live without
I think it has had a positive effect.
Hope this helps.