I believe the correct answer from the choices listed above is the first option. Every human body has an uncountable number of this basic unit of a muscle known as muscle fibers. <span>A muscle fiber is composed of many fibrils, which give the cell its striated appearance. Hope this answers the question.</span>
I think it is the third one
What is the article we need to see it to answer
<span>High blood pressure goes in the blank</span>
Well if you're given options then I can only answer this question to the best of my knowledge.
So here goes nothing;
If boys are hitting puberty at a younger age and you suspect that its their environment that's causing the issue. First step is to test the environment in which the boys are growing up in to see whats effecting their hormonal imbalances. This can be in the water, air, soil, the house and many other outside influences can cause an early onset for puberty in young boys.