The answer is B (An app on your smartphone that tracks the nutritional status of foods you eat)
Answer:
A pathogen is a microorganism that causes disease
Explanation:
The answer is D) all of the above :)
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
