12 systems of the body, what's their function?

Digestive system (1)

-breaks down food into the building blocks for the body

muscular system (4)

-generates heat -creates movement -maintains posture -uses energy

urinary system (2)

-get rid of nitrogenous waste out of blood -regulated electrolytes, fluid and pH balance

Integumentary system (4)

-largest sensory organ -vitamin D syntheses -protects deeper tissue -regulates fluid and blood loss

lymphatic System (2)

-picks up fluids leaked from the capillaries -supports immune systems: houses white blood cells

respiratory system (2)

-portions moistens and heats air -gas exchange

Immune System (1)

-portions of many different systems that fight disease

Reproductive System (2)

-production off spring -production of hormones

endocrine System (2)

-secrets hormones that regulate growth, metabolism and general body function.

nervous system (4)

-sensory input -interpretation of input or thought -elicit and signal responses -coordination of muscles

skeletal system (4)

-stores calcium -frame work for the body -protects vital organs -produces red blood cells

cardiovascular System (2)

-transportation of nutrients and gas waste -supports immune function