Body systems reference

Light study page for body systems, organs, body parts, and common medical vocabulary.

Educational vocabulary and study content only. This is not medical advice, diagnosis, treatment, triage, or an emergency instruction manual. Translations may be incomplete, regional, or inaccurate. In a real emergency, call local emergency services and follow licensed local medical professionals.

Study purpose

This page adds crawlable vocabulary, plain-language definitions, and review prompts for the light language edition.

Practice the words, then use the app to rotate through related terms. Do not use this page to make real medical decisions.

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简体中文

Core body systems

cardiovascular system

heart, blood vessels, pulse, circulation

respiratory system

lungs, airway, breathing, oxygen

digestive system

stomach, intestines, food, hydration

nervous system

brain, nerves, movement, sensation

urinary system

kidneys, bladder, urine

skin and muscles

skin, bones, muscles, joints

简体中文

How to study

organ

a body part with a specific job

system

a group of body parts working together

symptom location

where a symptom is felt or seen

body map

a way to connect words to locations

left and right

basic direction words

front and back

basic body direction words

简体中文

Practice prompts

Where is the symptom?

Use body-location words.

Which system is involved?

Use simple system vocabulary.

What word is unclear?

Write it down and ask a professional.

What is the plain-language meaning?

Explain without guessing medical decisions.