Answer:
White blood cells (WBCs) are a part of the immune system that helps fight infection and defend the body against other foreign materials. Different types of white blood cells are involved in recognizing intruders, killing harmful bacteria, and creating antibodies to protect your body against future exposure to some bacteria and viruses.
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Answer:
Because the surroundingenvironment of pelvic cavity is suitable for the egg to be fertilized. Also the sperms are excreated there not in reproductive tract.
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The correct answer is B, hope this helps!! :)
Answer:
i think its OB: Sagittal and frontal planes sorry if im wrong
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