Answer:
Well 13 is a prime number so is that even possible?
I don’t think you’re looking for a part but I believe you’re looking for blood, more specifically the red blood cells
Answer:
Our limbs, such as our arms and legs, grow basically at the same time and to the same length. ... Scientists are still unsure of how exactly human arms, legs, ears, or lungs grow in such a symmetrical way.
Split up 7 on 7 and let 1 from each team sit out then trade out
Answer:
wear a mask social distance and get vaccination