The answer to this question is letter B
It’s the endocrine system, hope that helps :)
I believe the answer is: A. Sides and bottom must be leak-proof
Contaminated sharps could penetrate human skins and transfer the contamination directly into the human body, which could be dangerous for the infected's life. In order to prevent this form happening, the sides and bottom of the container must be sealed completely.
Pneumonia
is usually caused by a bacterial or viral infection in the <span><span>lung</span> , which
causes the patient to cough up yellow-green mucus.
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