The answer is: 13) B 14) C 15) A
Its true alcohol causes bad reactions to the heart and blood reproduction and circulation
Answer:
B) Valves closing
Explanation:
A healthy heart makes a lub-dub sound with each beat. This sound comes from the valves shutting on the blood inside the heart. The first sound (the lub) happens when the mitral and tricuspid valves close.
I think it's cardiovascular, sickle cell I think you have to be born with, and celiac is an allergy to gluten
Answer: Medical oncologist: A doctor who specializes in diagnosing and treating cancer with chemotherapy and other drugs. A medical oncologist is different from a surgical oncologist, who mostly treats cancer with surgery.
Explanation:
