I believe the word your missing is "absolute" hope it helps:)
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>
The answer would be the last option which is:
protecting the body
excreting wastes
regulating temperatures
generating vitamins
This includes the skin and its extremities acting to shield the body from different sorts of harm, for example, loss of water or scraped area from outside. The framework has numerous parts in homeostasis. All body frameworks work in an interconnected way to keep up the inside conditions fundamental to the capacity of the body, the skin has a vital activity of securing the body and goes about as the body's first line of protection against contamination, temperature change, and different difficulties to homeostasis.
Answer:
for examples: you are riding a bike before you ride a bike wear you gear first.
because gears can helps you from getting injury.
for another examples: you are on the road to don't get injury or anything you need to follow all the rules and beware of any situation that can happen in the road.