Friction can also be unhelpful. If you don't lubricate your bike regularly with oil, the friction in the chain and axles increases. Your bike will be noisy and difficult to pedal. When there is a lot of friction between moving parts, energy is lost to the surroundings as heat.riction can also be unhelpful. If you don't lubricate your bike regularly with oil, the friction in the chain and axles increases. Your bike will be noisy and difficult to pedal. When there is a lot of friction between moving parts, energy is lost to the surroundings as heat.
Best Workout in Houston - One of a Kind! â Define Body & Mind is the best workout in Houston. The Define Body class is a combo of strenghening and streatching that helps add tone and muscle exactly where you want it.
THE BRAIN. The Brain is the instrument of the mind, the body is the servant of the mind. The Brain is the most complex part of the nervous system. The Brain is surrounded and protected by the bones of the skull, by the meninges, and by the cerebrospinal fluid. The human brain is made of many parts.Each part has a specific function.