Transporting oxygen and nutrients, controlling body temp remove unnecessary waste, helping the immune system
Answer:
Blue light glasses provide relief from the uncomfortable side effects associated with staring at screens. The glasses have special lenses that block or at least filter out certain light waves from devices and are also said to protect the retina from damage
Explanation:
The answer is c
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Answer:

Explanation:
Total distance of one lap of the marathon = 42.2 km
Distance of the lap that is inside the stadium = 400 m
The distance that is run outside the stadium is the difference between the two distances

The distance that is run on the road outside is
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A short term exposure to stress can cause improved performance.