Answer:
Option A is correct
Heart and Blood Vessels are the parts of the circulatory system.
Varicose veins are damaged are misaligned veins they can cause pain and blood problems so having less may mean less pain and less blood problems.<span />
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A fertility doctor is a reproductive endocrinologist — a physician who practices a subspecialty of obstetrics and gynecology called reproductive endocrinology and infertility (REI). REI is an area of medicine that addresses hormonal functioning as it pertains to reproduction and infertility in both women and men.
Answer: BMI
Explanation: Body Mass Index is used to determine whether people are at a healthy weight given their height.
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