Provides support and structure to the body

Stores calcium

Provides attachment for muscles

Protects internal organs

Site of blood cell production

Moves parts of the body

Moves substances through the body

Makes you breathe

Produces the majority of body heat

Protects the body from water loss

Protects the body from invading bacteria

Helps maintain body temperature

Protects against injury

Aids in synthesis of vitamine D

Detects and responds to changes in external environment

Detects and responds to changes in internal environment

Controls the body

Process information- thought, memory, language, and the senses

Maintains homeostasis through the secretion of hormones

Controls growth

Controls reproductive development

Regulates body metabolism (hunger, blood sugar, calcium storage)

Protects the body from invading pathogens (bacteria, viruses, fungi)

Destroys invading pathogens