zonarambut

Human is completed with reproductive system since they were born. But, the system does not work until they have been a teenager. When they are teen…

Basically, there are two kinds of body movements, conscious movements and reflex. Conscious body movement is coordinated by the brain, e.g. when s…

Human nervous system is composed of sensory receptor of the sense (nerves which are located in the five senses), stimulus transmitter that transmit…