you should talk so a grown up about it but before doing that try to ask her what made her start that, then after you do that try to go to some type of counseling to help her get out of it
Hope this helps !!!
Explanation:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium. The pulmonary vein empties oxygen-rich blood, from the lungs into the left atrium.
Cross Train and keeping the intensity consistent are the correct answers. If you're training at high intervals and cross training you will work through the plateau.
Hope this helps!
There are hundreds. Would you like a general region?