RED
The primary functions of red blood cells are to transport oxygen from the lungs to tissues, maintaining adequate tissue perfusion, and transporting CO2 from the tissues to the lungs.
The white globules have the role of defending the body in various ways, and structure the immune system.
There are no blue globes!
Answer:
Peasants in the middle ages saw this as an opportunity to ask for better working conditions and wages. Peasants began to move from one manor to another looking for a lord who was willing to pay higher wages.
Explanation:
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Research scientists used a standard practice called the scientific method to help them understand phenomena.
Answer:
Countries built large armies and stockpiled powerful weapons.
Explanation:
In an effort to hold onto their territorial as well as world colonies and might, many European nations expanded their military industries and armies, as well as expanded colonial rule and spheres of influence wherever they could. This led to countries drawing recruits and forcing colonies to produce war material for the host nation during World War I.
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