General functions of the integumentory system: Protection, sensation, temperature regulation, vitamin D production, Excretion: 3 Layers of skin: Epidermis- top, superficial, epithelial Dermis- deep layer of connective tissue Subcutaneous tissue- not part of skin, loose connective tissue that connects to underlying layers From deepest to most superficial, name and describe the five strata of epidermis
North American X-15. If the type of engine is not limited to jet-powered engines, then the North American X-15 is the fastest airplane. Powered by a rocket engine, the X-15 is said to have reached a speed of 4,520 miles (7,274 km) per hour. Like the X-43, it is launched mid-air from a B-52.
33 thoughts on âThe fastest Plane in the World â SR-71 Blackbirdâ. 1  The first one was made toally from Titanium, and only place in the world, that had that much Titanium, was USSR. 2  A true marvel. 3  I heard stories were the MiG-25 Foxbat couldnât even catch it. 4  A kind of perfection 5  â¦. all time favorite. 6  SR-71 lindo <3. 7  SR-71 Blackbird !!!