I believe it is B. Because during vigorous exercise, the heart rate and depth of breathing increases to supply muscles with more oxygen.
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
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Grains include ........
- whole grains and refined, enriched grains.
Answer:
It's basically a method of restarting play after the ball has exited the field of play through either side of the field. The team who did not touch the ball last is the team that is awarded the throw-in to restart play. To resume the match, the player holding the ball must lift the ball over their heads with both hands and throw the ball back into the playing field.
Explanation:
My brother played soccer for 5 years.
