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.
The fastest average speed records are: 1  Solo man: Christoph Strasser, 2014, who averaged 16.42 mph (26.425 km/h) riding 3,020 miles (4,860 km) in 7 days, 15 hours, and 56 minutes. 2  Solo woman: Seana Hogan, 1995, who averaged 13.23 mph (21.3 km/h) riding 2,912 miles (4,686 km) in 9 days, 4 hours, 2 minutes.