Body Systems
Digestive System Purpose? Helps humans turn food into energy Organs? Mouth Esophagus Stomach Intestines
Circulatory System Purpose? Keeps blood flowing through the body Organs? Heart Blood Vessels
Skeletal System Purpose? Provides structure for the body Protects organs Organs? Bones
Muscular System Purpose? Allow humans to move Organs? Muscles
Respiratory System Purpose? Helps humans breathe Organs? Nose Trachea Lungs
Nervous System Purpose? Controls other body systems Sends messages Organs? Brain Spinal cord Nerves