Answer:
lactic acid from anaerobic respiration
Explanation:
Glucose can diffuse from the digestive tract into the human blood system without first being digested.
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They both need nutrients to carry out life functions
The speed of a sound wave depends upon the medium through which it travels. In general, sound travels faster through solids than through liquids or gases. Also, the denser the medium, the slower sound will travel through it. The same sound will travel at a different speed on a cold day than it would on a warm day.