Answer:
They protect you against illness and disease, they are also part of the immune system.
Explanation:
They flow through your bloodstream to fight viruses, bacteria, and other foreign invaders that threaten your health.
When you get sick, your body makes more white blood cells to fight the bacteria, viruses, or other foreign substances causing your illness. This increases your white blood count
Hope this helps
Mark brainliest if it helps
I know im a kid but showing them some bad after affects of the drug might scare them into not doing it.
Answer:
D) four.
Explanation:
The two atria hold the blood that circulates away from the heart. The heart has four one-way valves, which open and close with each heartbeat. The tricuspid valve and the mitral valve are located between the atria and allow the blood to flow from the atria to the ventricles. Also you don't have to but mind marking Brainliest?
They are disease causing organisms.
