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Human Body Systems
The organ systems of the human body and their jobs.
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63 cards
- Circulatory systemSystemMoves blood, oxygen and nutrients around the body
- Respiratory systemSystemBrings in oxygen and removes carbon dioxide
- Digestive systemSystemBreaks down food and absorbs nutrients
- Nervous systemSystemSends signals between the brain and body
- Skeletal systemSystemSupports the body, protects organs and makes blood cells
- Muscular systemSystemMoves the body and keeps the heart beating
- Excretory (urinary) systemSystemRemoves liquid waste and balances water
- Endocrine systemSystemUses hormones to control growth and body activities
- Immune systemSystemDefends the body against germs
- Lymphatic systemSystemDrains fluid and helps fight infection
- Integumentary systemSystemSkin, hair and nails; protects the body
- Reproductive systemSystemMakes new life
- Main organs of the circulatory systemSystemHeart, blood vessels and blood
- Main organs of the respiratory systemSystemNose, trachea, bronchi and lungs
- Main organs of the digestive systemSystemMouth, esophagus, stomach, intestines, liver, pancreas
- Main organs of the nervous systemSystemBrain, spinal cord and nerves
- Main organs of the excretory systemSystemKidneys, ureters, bladder and urethra
- HeartSystemMuscle that pumps blood
- LungsSystemOrgans where oxygen enters the blood
- BrainSystemControl center of the body
- StomachSystemChurns food with acid and enzymes
- Small intestineSystemAbsorbs most nutrients from food
- Large intestineSystemAbsorbs water and forms waste
- LiverSystemCleans blood and makes bile
- PancreasSystemMakes insulin and digestive enzymes
- KidneysSystemFilter blood and make urine
- SkinSystemThe body's largest organ
- EsophagusSystemTube that carries food from mouth to stomach
- TracheaSystemWindpipe that carries air to the lungs
- DiaphragmSystemMuscle below the lungs that helps you breathe
- AlveoliSystemTiny air sacs in the lungs where gases are exchanged
- ArterySystemBlood vessel that carries blood away from the heart
- VeinSystemBlood vessel that carries blood to the heart
- CapillarySystemTiny blood vessel where materials pass into and out of the blood
- Red blood cellsSystemCarry oxygen
- White blood cellsSystemFight germs
- PlateletsSystemHelp blood clot
- PlasmaSystemThe liquid part of blood
- HemoglobinSystemProtein in red blood cells that carries oxygen
- NeuronSystemNerve cell
- Spinal cordSystemBundle of nerves in the backbone that links brain and body
- ReflexSystemA fast automatic response
- HormoneSystemA chemical messenger made by glands
- ThyroidSystemGland in the neck that controls metabolism
- Pituitary glandSystemSmall master gland at the base of the brain
- Adrenal glandsSystemMake adrenaline for the fight-or-flight response
- SalivaSystemStarts breaking down food in the mouth
- BileSystemFluid from the liver that helps digest fats
- PeristalsisSystemWave-like muscle squeezes that push food along
- AntibodySystemA protein that fights a particular germ
- VaccineSystemTrains the immune system to recognize a germ
- EpidermisSystemThe outer layer of skin
- DermisSystemThe thicker layer of skin below the epidermis
- MelaninSystemPigment that gives skin color and protects from the Sun
- PulseSystemThe beat felt as the heart pushes blood through arteries
- Blood pressureSystemThe force of blood against vessel walls
- HomeostasisSystemThe body keeping conditions steady inside
- MetabolismSystemAll the chemical reactions that keep an organism alive
- Which system includes the stomach?SystemDigestive
- Which system includes the bones?SystemSkeletal
- Which system includes the heart?SystemCirculatory
- Which system includes the lungs?SystemRespiratory
- Which system includes the brain?SystemNervous
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