body systems

%%integumentary system%%

forms the skin

protects deeper tissue

synthesizes vitamin D

location of the cutaneous receptors and sweat/oils glands

%%skeletal system%%

protects and supports body organs

provides framework the muscles use to cause movement

blood cells are formed within bones

stores minerals

%%muscular system%%

allows manipulation of the environment, locomotion, and facial expression

maintains posture

produces heat

%%nervous system%%

fast-acting control system of the body

responds to internal and external changes by activating appropriate muscles and glands

%%endocrine system%%

glands secrete hormones that regulate processes such as growth, reproduction, and nutrient use by body cells

%%cardiovascular system%%

blood vessels transport blood which carries oxygen, carbon dioxide, nutrients, wastes, and more

the heart pumps blood

%%lymphatic system%%

picks up fluid leaked from blood vessels and returns it to blood

disposed of debris in the lymphatic stream

houses white blood cells involved in immunity

%%respiratory system%%

keeps blood constantly supplied with oxygen and removes carbon dioxide

the exchanges occurs through the air sacs of the lungs

%%digestive system%%

breaks food into absorbable units that enter the blood for distribution to the body cells

indigestible foodstuffs are eliminated as feces

%%urinary system%%

eliminates nitrogen-containing wastes from the body

regulates water, electrolyte, and acid-base balance of the blood

%%reproductive system%%

produces offspring