Your mask helps protect those around you. Masks are a simple barrier to help prevent your respiratory droplets from reaching others.
Answer:
1. Biopsy: doctors take out tissue for testing at labs
2. Physical exam: doctors check your lips & mouth to look for anything that shouldn't be there (like sores or white patches)
Explanation:
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<span>The best answer is :
Systolic circulation
</span>The systolic blood circulation is the process when the heart contracts., the oxygen-rich blood from the heart is pumped out into the arteries, from where it is sent to all the body parts.
<span>The node which initiates the contraction through a nerve signal is called the AV node.</span>