Defends the body against disease-causing agents.
The system comprising a network of lymphatic vessels that carry a clear fluid called lymph.
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.
Mechanical and chemical processes that provide nutrients via the mouth, esophagus, stomach and intestines.
Bones supporting the body and its organs.
Enables the body to move using muscles.
Eliminates waste from the body.
