Most likely A but I could be wrong!
Cancer cells the branch of medicine concerned with the studying and treatment of tumor.
Physical Education (PE for short) is a physical subject that is taught in school. Students do many different sports, exercises, and activities using their body. Many types of physical fitness are involved. ... Physical education is an important for keeping kids and adults fit and active.
'Carotid artery' is the one you're looking for. Mentioned quite a bit in English literature I might add.
It demonstrates that they’re stressed about something they can’t exactly control yet.
