Every one of us is a living machine. We have functioning parts, flowing liquids and central control center. The human is a light, flexible but strong framework made of billions of cells. Also there are certian, admired engineered organs that work together in order for us to remain alive and moving.
In the year 353 BC, Aristotle created the traditonal classification our five senses: sight, smell, taste, touch and hearing. Each of the 5 senses consists of organs with specialized cellular structures that have receptors for specific stimuli.
Our Body Systems
Each one of our body systems have a specific job to do to keep us alive and functioning. Click on one of these systems to see what they do for us.
Germs and Viruses
They may be one billionth our size, but they can hurt us. These microscopic enemies are the deadliest things to encounter besides the deadliest animals in the world. These are the top 10 deadliest viruses of the world.