Systems Of The Body Flashcards
Breaks down food into its nutrient molecules; absorbs nutrients; rids the body of waste
Esophagus, stomach, intestines
Digestive system
Pumps blood around the body; transports oxygen, carbon dioxide, and nutrients
Heart, and blood vessels
Cardiovascular system
Moves the body and moves substances around the body; maintains posture; produces heat
Skeletal muscles, cardiac muscles, and smooth muscles
Muscular system
Protects and supports body organs; provides a framework, stores minerals
Bones, and joints
Skeletal system
Responds to internal and external stimuli, processes information; initiates appropriate responses
Brain, spinal cord, sensory receptors, and nerves
*Most important body system
Nervous system
Assists with gas exchange with the external environment; keeps blood supplied with oxygen, and removes carbon dioxide
Lungs, nasal cavity, trachea, and bronchus
Respiratory system
Filters fluid on the body; mounts attacks against foreign substances in the body
Lymph nodes, spleen, thymus, and bone marrow
Immune system
Eliminates waste from the body; regulates water balance of the blood
Bladder, kidney, ureter, and urethra
Urinary system
Secretes hormones that regulate processes such as growth, reproduction, and metabolism by body cells
Adrenal glands, pituitary glands, ovary, and testis
*Second most important body system
Endocrine system
Forms the body’s external covering; protects deeper tissue from injury; helps regulate body temperature
Skin, hair, and nails
Integumentary system
