Levels of Organization Flashcards
Chemical
Simplest- (atoms, molecules, organelles)
Cellular
Basic structural & functional units of an organism
Tissue
Groupings of SIMILAR cells that cooperate for a specific function (nervous, muscle, connective)
Organ
Different tissue types that cooperate for advanced functions
System
Related organs that participate in a common function
Organism
All the systems put together
Nervous System
Brain, nerves, spinal cord
Reproductive System
Penis, gonads, uterus, vagina
Respiratory
Lungs, bronchi, trachea, nose, mouth
Digestive System
Mouth, teeth, tongue, lips, esophagus, stomach, small intestine, large intestine, pancreas, gall bladder, liver
Urinary System
Kidney, bladder, urethra
Endocrine System
Slow acting, long lasting- secretes hormones into the blood: Hypothalamus (controls) pituitary gland, thyroid, pancreas, gonads, adrenal gland
Lymphatic System
Nodes, spleen, white blood cells
Integumentary System
Skin & hair
Cardio Vascular System
Heart, blood vessels
