Organ systems

• The body can be divided into 11 organ systems.
• Nervous system - control system
• Circulatory system - gets oxygen around the body
• Digestive system - processes food
• Excretory system - urinal and waste disposal
• Muscular system - for moving around/movement
• Skeletal system - keeps you upright/supports you
• Integumentary system - protection from outside environment, e.g. skin, hair, nails
• Immune system - fights against bacteria
• Endocrine system - hormones
• Reproductive system - used for reproducing
• Organism -> Organ system -> Organs -> Tissues -> Cells
• Respiratory system - brings oxygen into the body