Answer:
The muscular machine is composed of specialized cells called muscle fibers. Their predominant feature is contractibility. Muscles, attached to bones or inside organs and blood vessels, are responsible for movement. Nearly all movement in the body is the result of muscle contraction.
Explanation:
<span>The correct answer to this question is the following:
The crust’s role in biogeochemical cycles allows it to provide the raw materials necessary for life on earth. The crust actually affects earth in a massive variety of ways, that are impossible for us to understand without the research undertaken by scientists to understand more about its' effects on life.</span>
By injecting dead cells of the disease into the body, the body can analysis what it is supposed to be fighting off before it gets the active diseases. So if the body does actually get the disease then it knows how to fight it off and can have a better chance at doing it.
Answer:
a)Osteoclasts
b)Osteoblasts
Explanation:
a) destroys the bone matrix
b) have osteogenic functions
