<span><span>A. </span>B-cells
</span>
Which type of white blood cells is produced in the thymus and destroys the
cell membranes of bacteria are B-cells. These b-cells are also known and called as B
lymphocytes. Their function primarily is to create antibodies which combats
antigens such as bacteria. They are also responsible for immune regulatory
indications –cytokines. In contrast, T-cells are a type of white blood cells
that combat any substance from the inside or within the body.
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.
Your personal fitness is what you make of it. A physically demanding job can be beneficial if you also support it with a nutritious diet and maintain proper health. But if your job is physically active and you eat more than needed, it does not matter how much you are working, because you are still consuming more calories than you are burning.
Answer:
INTERNAL:
Some teens may use Narcotics due to depression or anxiety, narcotics may be the only way they think they can “escape” it. A reason a teen might choose not to use is that they have self morals that are against using drugs/narcotics.
EXTERNAL:
Some teens may use narcotics due to peer pressure or troubled home issues (divorced parents, abusive parents, etc.). Some teens may choose not to use narcotics because they’re parents are very strict and they will punish the teen or the teen has friends telling them not to use drugs/narcotics.
I really hope this helps!! :)
