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Quick TrainerHuman Internal Organs and Their Functions
Learn the major organs of the human body and what each one primarily does.
Science28 items3 levelsDifficulty 2/5
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Levels
Start easy — harder levels unlock as you improve, or jump ahead anytime.
1
Core Organs
7 items
2
Digestive & Glandular
10 items
3
Advanced
11 items
All 28 cards
Which organ pumps blood throughout the body?
Heart
Which organs allow gas exchange, taking in oxygen and releasing carbon dioxide?
Lungs
Which organ is the control center for thought, memory, and movement?
Brain
Which organs filter waste from the blood to produce urine?
Kidneys
Which organ stores urine before it leaves the body?
Bladder
Which organ is the largest of the body and detoxifies blood, stores nutrients, and produces bile?
Liver
Which muscular tube carries food from the throat to the stomach?
Esophagus
Which organ breaks down food using acid and digestive enzymes?
Stomach
Where does most nutrient absorption from food take place?
Small intestine
Which organ absorbs water from waste and forms feces?
Large intestine
Which organ stores and concentrates bile produced by the liver?
Gallbladder
Which organ produces insulin and digestive enzymes?
Pancreas
Which organ filters blood and helps fight infection by recycling old red blood cells?
Spleen
Which gland regulates metabolism by producing hormones, located in the neck?
Thyroid
Which organs produce eggs and female sex hormones?
Ovaries
Which organs produce sperm and male sex hormones?
Testes
Which organ houses and nourishes a developing fetus during pregnancy?
Uterus
Which gland sits atop each kidney and produces adrenaline and cortisol?
Adrenal gland
Which small gland at the base of the brain is the 'master gland' controlling other glands?
Pituitary gland
Which brain region links the nervous system to hormones and regulates temperature and hunger?
Hypothalamus
Which organ produces immune cells (T-cells) and is most active in childhood?
Thymus
Which gland in the brain produces melatonin and regulates sleep cycles?
Pineal gland
Which dome-shaped muscle below the lungs drives breathing?
Diaphragm
Which tube carries air from the throat to the lungs, also called the windpipe?
Trachea
Which four small glands regulate calcium levels in the blood?
Parathyroid glands
Which tubes carry urine from the kidneys to the bladder?
Ureters
Which part of the brain coordinates balance and fine motor control?
Cerebellum
Which organ in the appendix region is a small pouch attached to the large intestine?
Appendix
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