Organ system and levels of organization quiz

levels of organization order

Organism, organ system, organ, tissue, cell, organelle, molecule, atom

tissue

a group of similar cells that work together to perform a function

organ

group of tissues that work together to perform a function that one cannot

organ system 

group of organs working together to perform a specific task 

integumentary system

• protects underlying structures, has sensory receptors, and regulates body temperature, protection against bacteria

• skin, hair, nails, sweat glands, oil glands, sense receptors

• sense organ

skeletal system

• provides a rigid framework for the body(support), stores minerals, and blood formation

• bones, cartilage, ligaments, joints

• femur and humorous bone

nervous system

• uses electrochemical signals to integrate and control body functions, communication, control, sensory stimuli 

• nerve impulses are electrochemical signals 

• brain, spinal cord, nerves 

lymphatic system 

• transports fatty nutrients from the digestive system into the blood(transportation), immune system 

• lymph nodes, tonsils, thymus, spleen, lymph vessels, appendix

• protects against diseases

muscular system 

• provides movement, body posture, and heat

• muscles, tendons

• deltoid(shoulder), pectoralis major(chest) 

skeletal muscle

voluntary muscle

smooth muscle

involuntary muscle

digestive system

• causes physical and chemical changes in nutrients so they can be absorbed in the blood(digestion of food) 

• mouth esophagus, stomach, intestines, teeth, liver, appendix, pancreas, pharynx 

long tube making up the digestive system

alimentary canal

endocrine

• uses hormones to regulate body function

• glands, ovaries, hormones, testes, thyroid, adrenal glands 

respiratory system

• exchange oxygen and carbon dioxide and helps regulate acid base balance; exchange of gases in the lungs

• lungs, trachea, nose, pharynx, larynx, bronchi 

cardiovascular system

• responsible for the transport of substances(oxygen and carbon dioxide) from one part of the body to another;

• heart, blood vessels, capillaries 

urinary system

• cleans  the blood of metabolic waste and regulates water and electrolyte balance; elimination of waste 

• kidneys, ureters, bladder, urethra 

reproductive system

• ensures the survival of the species rather than the individual; production of sex cells and hormones

• genitalia, uterus, Fallopian tubes, penis, cervix, testes, ovaries 

gonads 

testes and ovaries which produce sperm and eggs 

artificial ear 

cochlear implant 

stem cells

used in organ engineering

dialysis

removal of waste from body when kidneys could not

non vital organ

organ not required for life to continue

artificial kidney 

dialysis machine