<span>This is a sign of the primary stage of syphilis. These lesions, or chancres, will show up in the exact spot that the bacteria originally entered the body. This is generally a sign of the infection. The illness often incubates for long periods of time, from between ten and ninety days, so it could be months from the original contact.</span>
Answer:
physical contamination
Explanation:
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Answer:
Your nails can help determine the oxygen supply throughout your body because it has an affect on your life. Blue fingernails are caused by a low level or lack of oxygen circulating in your red blood cells. This condition is known as Cyanosis.
Explanation:
This means that there is not enough oxygen in your blood
