Also, Doppler can detect abnormal blood flow within the heart, which can indicate a problem with one or more of the heart's four valves. Color Doppler. Color Doppler is an enhanced form of Doppler echocardiography. With color Doppler, different colors are used to designate the direction of blood flow.
(I got armpit hair around 11 1/2 but everyone is different) From around age 13-16 but it can still happen earlier or later (maybe even 12 and 19) got mine just before i turned 14. Brent Lyday.
The emergence of body hair usually begins in the pubic area about the same time as breast development, usually starting at age 10 or 11 but sometimes not occurring until age 13 or 14. Underarm and leg hair appears a year to two later.In general the color, thickness, and pattern of body hair is quite variable.he emergence of body hair usually begins in the pubic area about the same time as breast development, usually starting at age 10 or 11 but sometimes not occurring until age 13 or 14. Underarm and leg hair appears a year to two later. In general the color, thickness, and pattern of body hair is quite variable.