I’m not seeing the options. Is there more to this question ?
The body shivers, shivering is something your body does in oder to keep warm. It is moving the muscles around, and trying to heat you up.
I believe that it is a major life change.
You can't see them without a microscope, nor can you smell or taste them individually.
I am not 100% sure but i have an idea for the first box, In the circulatory system, blood is pumped into veins that carry the blood to tissues in your body. I really hope this helped you and was correct.
