Human Body Basics
The human body is made up of several systems that work together to perform basic functions.
Some systems of the human body are:
Circulates blood around the body via the heart, arteries and veins, delivering oxygen and nutrients to organs and cells and carrying their waste products away.
Keeps the body's temperature in a safe range.
Digestive system and Excretory system:
System to absorb nutrients and remove waste via the gastrointestinal tract, including the mouth, esophagus, stomach and intestines.
Eliminates waste from the body.
Influences the function of the body using hormones.
Immune system and lymphatic system:
Defends the body against pathogens that may harm the body.
The system comprising a network of lymphatic vessels that carry a clear fluid called lymph.
Collects and processes information from the senses via nerves and the brain and tells the muscles to contract to cause physical actions.