Answer:
White spots on your nipples are usually nothing to worry about. Very rarely though, they could signal cancer. The blocked pore could be caused by a tumor pressing on the milk duct. Bumps and other nipple changes can also be a sign of Paget disease, which affects 1 to 4 percent of women with breast cancer.
They are both attached to bones.
Nutrients and waste both enter and leave cells through a process called Diffusion. :3
I think this is multiple choice, and if it is, your answer is Don't do it yourself
