Answer:
If your in a procedure in which contains blood splash or blood leakage you should wear apron or doctors apron for operations......
I think it is the bone marrow.
Answer:
Short-term effects can range from changes in appetite, wakefulness, heart rate, blood pressure, and/or mood to heart attack, stroke, psychosis, overdose, and even death.
This could be many things. It's common for young girls you have irregular periods but could also be a health problem. There is also a possibility of pregnancy if she is sexually active.
Usually these painting are made on birch trees because the bark has a much smoother surface compared to bark such as an oak tree.
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