Answer:
A. keeps you healthy
Explanation:
The immune system protects your body from outside "invaders," such as bacteria, viruses, fungi, and toxins.
<span>Cell death occurs.The way this makes Apoptosis an definition of this that cells has an turnover, an state where there are other cells that must have the information to induce the function of the organ.</span>
The sleep cycle is approximately 90 minutes.
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The temperature is lowest at the crust. As you get lower into the Earth's surface, the temperature gets hotter.
When bacteria survived, it will continue to multiply and create more harm which leads to antibiotic (penicillin) resistance. Bacteria create a resistance to penicillin for several reasons. The main and most common reasons for penicillin resistance are; over use or frequent use of penicillin to treat the bacteria and not finishing the prescribed antibiotic course.