The medical term is "hemoptysis"
Answer:
The deepest layer of the skin is the subcutaneous tissue, the hypodermis, or the subcutis. It is not technically part of the skin, but it helps attach the skin to the bones and muscles. Subcutaneous tissue also provides the skin with nerves and blood supply
An organelle is the word that scientists use to describe a part of a cell that is enclosed by a membrane. A lysosome, nucleus and a mitochondria are all examples of organelles.
I think it be D.But if that ever happen I'm sure that the scientists will find away to stop it
