Glands secrete hormones that regulate a variety of body processes.
SKELETAL SYSTEM
ENDOCRINE SYSTEM
NERVOUS SYSTEM
The fast acting control system of the body; responds to internal and external stimuli by activating appropriate muscles and glands.
INTEGUMENTARY SYSTEM
DIGESTIVE SYSTEM
Eliminates nitrogenous wastes from the body; regulates water, electrolyte, and acid-base balance of the blood.
Keeps blood supplied with oxygen; removes carbon dioxide from the blood; gas exchange occurs in the lungs.
Protects and supports body organs and provides a framework for the muscles that are used in movement; stores minerals.
Allows manipulation of the environment, locomotion, and facial expression. Maintains posture and produces heat.
Blood vessels transport blood; blood carries oxygen, carbon dioxide, waste, and nutrients; heart pumps the blood.
Picks up fluid leaked from blood vessels and returns it to the blood; houses white blood cells involved in immunity; attacks foreign substances in the body.
RESPIRATORY SYSTEM
CARDIOVASCULAR SYSTEM
Forms the external body covering; protects deep tissue from injury; synthesizes vitamin D; houses cutaneous receptors and sweat/oil glands.
MUSCULAR SYSTEM
LYMPHATIC SYSTEM
Breaks down food into absorbable units that enter the blood to be distributed throughout the body; eliminates indigestible foodstuffs as feces.
URINARY SYSTEM
