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horrorfan [7]
3 years ago
8

How do white blood cells help prevent infections

Health
2 answers:
Kamila [148]3 years ago
6 0
The white blood cells simply produce an antibiotic to help kill the cells ingested. <span />
pantera1 [17]3 years ago
3 0
The body's natural defence mechanism against infectious diseases. a type of white blood cell that make antibodies to fight off infections. phagocytes are the white blood cells that protect the body by ingesting harmful foreign particles, bacteria, and dead or dying cells.
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Cholesterol causes excessive plaque buildup in the arteries
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Which of these is a feature of audible crosswalk signals
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A minority of crosswalks require audible beaconing, in which the sound source provides directional orientation. Where audible beaconing is activated, the volume of the WALK indication and the subsequent locator tone, or just the locator tone during the called pedestrian phase is increased and may be operated in one of the following ways:

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Audible beaconing speakers must be oriented in line with the relevant crosswalk.

<span>If the speaker is not carefully oriented, the signal may give ambiguous information about which street has the WALK interval, and ambiguous information for traveling straight across the street.Beaconing is enhanced by the presence of a locator tone that users can home in on as they approach the destination corner, island or median having an accessible pushbutton.</span>

See Chapter 6, Designing Installations, for additional recommendations regarding audible beaconing.

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4 years ago
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If instead of using the data from 1982 onward, you focus only on the computer science and psychology degrees from 2006 – 2012, h
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