Excretory System Human Body
Human body consists of complex systems, one of which is excretory system. Excretory system removes waste of metabolism from our body. Some metabolisms happen in human body, such as food …
Human Body
Reproductive System Human Body
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 teenagers, man and woman start …
Human Nervous System
Human gugup system is composed of sensory receptor of the sense (nerves which are located in the five senses), stimulus transmitter that transmits stimulus to the nerve center (sensory nerver), …
Human Body Movement
Basically, there are two kinds of body movements, conscious movements and reflex. Conscious body movement is coordinated by the brain, e.g. when someone is bitten by insect, he/she will know …