Stores calcium
Makes you breathe
Detects and responds to changes in internal environment
Protects the body from invading bacteria
Protects against injury
Moves parts of the body
Maintains homeostasis through the secretion of hormones
Protects the body from invading pathogens (bacteria, viruses, fungi)
Controls growth
Produces the majority of body heat
Provides support and structure to the body
Helps maintain body temperature
Moves substances through the body
Controls the body
Site of blood cell production
Provides attachment for muscles
Controls reproductive development
Destroys invading pathogens
Regulates body metabolism (hunger, blood sugar, calcium storage)
Protects internal organs
Process information- thought, memory, language, and the senses
Protects the body from water loss
Detects and responds to changes in external environment
Aids in synthesis of vitamine D
