Answer: Vertebrae
Explanation: Your back is composed of twenty-four individual bones called vertebrae that are stacked one on top of the other to make up your backbone or spinal column. The entire column sits on the sacrum, a large triangular bone that connects the spine to the hips. The top seven vertebrae in the neck are called the cervical spine.
I don't know if you have this as an answer choice, but it's part of your conscious. Hope this helps some!
False. Beans and rice together make a perfect protein.
I don't know, they all seem important. I think the basis here though is good eating habits.