Structure and function of the dermis in general Structure; deep part of skin; connective tissue composed of two layers function; is responsible for the structural strength and flexibility of the skin; the epidermis exchanges gases nutrients and waste products with blood vessels in the dermis
My new answer: Usain Bolt acheived a top speed of 27.28 mph or 43.90 kph in travellng the 2 fastest consecutive 60-70 & 70-80, 10m splits ever of .82 seconds. We'll leave out 4x100m splits as I don't have them for Team Jamaica's WR from Beijing.
exists and is an alternate of . The fastest speed of a human running was set by Maurice Greene, who achieved a sprint speed of 26.7 mph. Note that is anarobic : the highest sustained speed is just over 15 miles an hour - i.e. a 4 minute mile. So the first is the limit of the legs, the second the limit of the heart.