How the Body Works
Educational information about human anatomy, body systems, and how the body functions.
Articles
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Blood Types: ABO System, Rh Factor & Compatibility
Complete guide to blood types and blood groups. Learn about ABO system, Rh factor, transfusion compatibility, and blood type inheritance.
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Body Temperature: Normal Range, Regulation & Fever Guide
Learn about normal body temperature ranges (36-37.8°C), how your body regulates temperature through the hypothalamus, and when fever indicates illness.
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Bones and Joints: How the Skeletal System Works
Complete guide to bones, joints and the skeletal system. Learn how 206 bones protect organs, enable movement, and produce blood cells.
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Cells and Tissues: How Your Body Is Built
How cells and tissues work in the human body. Learn about cell structure, cell division, chromosomes, DNA, stem cells and the four tissue types.
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Digestive System: How Your Body Breaks Down Food
How the digestive system works - learn about the gastrointestinal tract, stomach, intestines, liver, and pancreas. Reviewed by iMedic's medical editorial team.
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Endocrine System: How Hormones Control Your Body
Complete guide to the endocrine system and hormones. Learn how glands like the pituitary, thyroid, and adrenals regulate metabolism, growth, mood, and
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Female Reproductive System: Anatomy & Function Guide
Complete guide to female reproductive anatomy - uterus, ovaries, vagina, vulva. Learn how the menstrual cycle works, hormones, and reproductive health.
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Heart & Circulatory System: How Blood Flow Works
How the heart and circulatory system work - complete guide to cardiac anatomy, blood vessels, heart chambers, valves and blood circulation.
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How Blood Works: Components, Functions & Circulation
Learn how blood works in your body. Discover blood components (red cells, white cells, platelets, plasma), blood functions, clotting mechanisms, and
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How the Brain Works: Structure, Functions & Anatomy
How the brain works - complete guide to brain anatomy, structure and functions. Learn about the cerebrum, cerebellum, brain stem, neurons and brain plasticity.
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How the Ear Works: Hearing and Balance System Explained
Learn how the ear, hearing, and balance system work. Discover the anatomy of outer, middle, and inner ear, how sound becomes hearing, and how your vestibular
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How the Eye Works: Vision, Anatomy & Light Processing
How does the human eye work? Learn about eye anatomy, how we see light and color, the retina, cornea, lens, and how the brain processes visual information.
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How Your Kidneys Work: Complete Guide to Urinary System Function
Learn how your kidneys filter blood, produce urine, and maintain vital body functions. Expert guide to kidney anatomy, nephron function, and urinary tract
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Human Body Systems: How Your Body Works
Complete guide to human body systems - learn how your organs, tissues, and cells work together. Understand the skeletal, muscular, nervous, cardiovascular
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Immune System: How Your Body Fights Infection
How does the immune system work? Learn about white blood cells, antibodies, T-cells, B-cells, and how your body defends against bacteria and viruses.
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Lymphatic System: How It Works & Why It Matters
Learn how the lymphatic system works: lymph nodes, lymph fluid, immune defense, and fluid balance. Reviewed by iMedic's medical editorial team.
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Male Reproductive System: Anatomy, Function & Health
Complete guide to male reproductive anatomy - penis, testicles, prostate and how sperm production works. Reviewed by iMedic's medical editorial team.
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Menstrual Cycle: How Menstruation Works & What to Expect
Learn how the menstrual cycle works, from ovulation to menstruation. Understand period symptoms, cycle length, and when to see a doctor.
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Muscles and Tendons: Complete Anatomy Guide
How do muscles and tendons work? Learn about skeletal muscles, cardiac muscles, smooth muscles, tendon anatomy, and muscle function.
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Nervous System: How Your Brain and Spinal Cord Work
Complete guide to the nervous system - brain, spinal cord, and nerves. Learn how neurons transmit signals, control movement, and process sensations.
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Ovulation: How It Works, Signs & Fertility Window
Learn how ovulation works, when it occurs in your cycle, and how to recognize ovulation signs. Understand the fertility window, LH surge, and conception timing.
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Reproductive System: How Male and Female Sex Organs Work
How the reproductive system works - complete guide to male and female anatomy, sexual function, and fertility. Reviewed by iMedic's medical editorial team.
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Respiratory System: How Lungs and Airways Work
How do lungs and airways work? Complete guide to the respiratory system, gas exchange, breathing mechanics, and lung function.
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Sense of Touch: How Touch Receptors & Sensory Nerves Work
How does the sense of touch work? Learn about touch receptors, pain sensors, temperature detection, and how your brain processes tactile sensations.
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Skin, Hair & Nails: Anatomy, Function & Structure
How skin, hair and nails work - complete guide to the integumentary system. Learn about skin layers, hair follicles, nail structure, and how they protect your
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Taste and Smell: How Your Senses Work Together
How do taste and smell work? Learn about taste buds, olfactory receptors, and why food loses flavor when you have a cold.