The answer is A, the immune system
the answer would be the worst one a
Answer:
<em>Medical assistants are health care professionals who assist doctors in clinics and medical offices. They may show you to the exam room, take your vital signs, and check your height and weight. Their duties are limited to collecting information and preparing the doctor and patient for the medical visit.</em>
Answer:
Heart issue cardiac could be a major problem,
Answer: Those parts is were all the oxygen is distributed through the human body, and so technically it can be considered the respiratory system.
