how does immune system work together with the circulatory system
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A. Oxygen-depleted blood is delivered to an infection site by the circulatory system's arteries, so the immune system can work harder. B. The immune system's pathogens work to fight and destroy invaders. C. Red blood cells move through the body (to parts where they are needed) in the blood vessels within the circulatory system to fight antigens. D. Chemicals released by immune cells cause increased blood flow to an infected area; this increased blood flow brings other immune cells to the area more quickly.
What do you think
The immune system doesn't work harder with no oxygen. All human cells need oxygen to work more efficiently... So when some of your immune cells notice an invader, they release things called chemokines and cytokines these little proteins go off into the circulatory system to recruit help. Other immune cells then follow this trail of chemokines and cytokines to the source, where there's a bug for them to fight. So which option corresponds best with the above info?
d
@Miracrown
Yep, that's right. ツ
THX
YW
MEDALZ
XD
ok bye
Toodles ...
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