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:
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Answer: d
The respiratory and circulatory systems bring oxygen and nutrients to the cells. The respiratory and circulatory systems work together to maintain homeostasis. The respiratory system moves gases into and out of the blood. The lungs contain the bronchi, bronchioles, and alveoli.
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According to the set point theory, changes in adipose tissue mass are communicated to the brain, resulting in changes in energy expenditure. The set point theory of body weight regulation suggests that when someone gains weight beyond his or her set point, signals are produced that cause an increase in _____ and a decrease in _____ such that weight loss is induced.
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Always wash your face at night and i’m the morning. don’t use product with oil because it will cause build up and clog your pores which creates outbreaks. drink LOTS of water!!
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The urethra in females are shorter than in males
