Breaks down and helps in food processing and converts food into nutrients.

Delivers the oxygen to the gas exchange area

Receives general information from the senses through touch, pain, temperature, pressure and vibrations

Transports gases (oxygen and carbon dioxide) and nutrients to the cells.

gives shape to the body

receives and perceives special sensations such as taste, smell, vision, feeling and sound

removes waste substances through exhaling

helps the body absorb the nutrients from the food

produces blood cells and stores minerals