Answer:
Yes, Sleep deprivation can reduce reaction time ...
<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.
The methods you can use to treat a bruise includes:
- Rest the bruised area, if possible.
- Ice the bruise with an ice pack wrapped in a towel regularly
- Compress the bruised area if it is swelling, using an elastic bandage.
<h3>Meaning of Bruise</h3>
A bruise can be defined as an injury that occurs in a part of the body due to an event where the blood vessel are affected by a heavy fall or hit, causing a release of blood that gets trapped under the skin, forming a red or purplish mark that is tender when you touched.
In conclusion, The methods you can use to treat a bruise are highlighted above
Learn more about Bruise: brainly.com/question/1837048
#SPJ1
1, and 2 are the answer and by one and 2 I mean the first 2 statements