Explain fertilization and conception

Which of these pieces of safety equipment should be worn when operating a chainsaw

The patient had a wire localization performed by radiology and was taken to the operating room. under local anesthesia of the left breast was prepped and draped in a sterile manner. a breast line incision was made through the entry point of the wire, and a core of tissue surrounding the wire approximately 1x2cm was removed

What else happens in your cardiovascular system in response to your sympathetic nervous system? why might your blood vessels need to expand to accommodate this?