Question

Please help, ASAP!!! Being timed!

Answer 1

Answer:

B. White blood cells

Explanation:

The main function of white blood cells is to attack pathogens that enter the body in order to prevent harm from being done to the body.

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Plasma's function is to transport nutrients, hormones, and proteins to the parts of the body that need it. It does not fight off pathogens.

Platelets activate when their is a cut or tear on the body. They form together and clot to form a scab. This prevents you from bleeding out. They don't have anything to do with fighting pathogens.

Red blood cells carry oxygen throughout the body. They don't fight pathogens either.

Therefore, the answer is B.

hope this helps!

Answer 2

Answer:

B)

Explanation:

White blood cels are also called a leukocyte. Leukocytes patrol the blood and tissues throughout the body in search of intruders. When they detect a foreign substance, they send out signals and launch an immune attack

(pls dont be mad at me if i used reasearch)