Question

How does the immune system work together with the circulatory system to function properly?

A.
Red blood cells move through the body (to parts where they are needed) in the blood vessels of the circulatory system to fight infection.

B.
Pathogens released by immune cells cause increased blood flow to the infection site, which brings other pathogens to the area more quickly.

C.
The infection site receives oxygen-depleted blood from the circulatory system's arteries, so the immune system works harder.

D.
The white blood cells of the immune system fight and destroy pathogen

Answer 1

option d

Answer 2

I think it's A.

Answer 3

Or no?!

Answer 4

red blood cells will not fight

Answer 5

white blood cells fight with pathogens and it known as immune system

Answer 6

I guess @sreekar369 is correct I'll medal u!

Answer 7

thq u so much @ElonaSushchik

Answer 8

Ur w! @sreekar369