Answer:
The correct answer is <u>conducting a controlled experiment.</u>
<span>True, the average menstrual cycle does indeed last around 28 days. This varies between women, however, and can range from between 21 and 35 days after puberty. The menstrual cycle is controlled by fluctuating hormones in the female body.</span>
Answer:
In the heart, the most abundant glucose transporters are GLUT1 and GLUT4. GLUT1 mainly localizes on plasma membrane, and is responsible for a significant component of basal cardiac glucose uptake.