B: arm circles
Because arm circles require constant movement
Dilution is a term for thinning
Answer:
A fetoscope (a type of stethoscope) is the most basic type of external monitor. Another type of monitor is a hand-held electronic Doppler ultrasound device. These methods are often used during prenatal visits to count the fetal heart rate.
Explanation:
<span> It is removed by the lymphatic vessels.</span>
