It is true that aerobic endurance is good cardiovascular efficiency.
Another name for helper T cells is CD4+ (now options are correct), it is due to the presence of specific cell surface receptors.
<h3>What are T cells?</h3>
T cells are also called CD4- + positive cells have essential functions in the immune system by triggering adaptive immune responses.
These cells CD4- + positive cells contain specific cell surface receptors that can be identified by biochemical analyses.
In conclusion, another name for helper T cells is CD4+ (now options are correct), it is due to the presence of specific cell surface receptors.
Learn more about T cells or CD4+ cells here:
brainly.com/question/9875046
#SPJ1
Answer: C.) Exercising instead of being inactive
Explanation: All the other options are unhealthy and show poor self-discipline. Google defines self-discipline as the ability to control one's feelings and overcome one's weaknesses; the ability to pursue what one thinks is right despite temptations to abandon it. Option C shows a person with high self-discipline, instead of being inactive, they chose to exercise.
A). If you get sick, you have a weakness within the immune system that causes you to have the symptoms of the illness as the white blood cells are failing in getting rid of the illness itself.
Answer:
I beleive it would be manager, operator, teacher. so b
Explanation: