Body parts
First Aid
Diseases
Fun facts
Vocab
100

What body part helps you see?

The eye

100

What should you do if someone has a nosebleed?

Tilt their head slightly forward and pinch the soft part of the nose

100

What disease is caused by the influenza virus?

The flu

100

How many bones are in the adult human body?

206

100

What does the word “skull” mean?

The bone structure that protects the brain

200

What is the name of the organ that pumps blood through your body?

The heart

200

How do you treat a small cut on your finger?

Clean it with water, apply antiseptic, and cover with a plaster

200

What part of the body does asthma affect?

The lungs

200

Which muscle is the strongest (by size) in the human body?

The masseter (jaw muscle)

200

What is the medical term for the windpipe?

Trachea

300

Which body part connects muscles to bones?

Tendons

300

What is the correct position to put someone in if they are unconscious but breathing?

Recovery position

300

Which organ is affected by hepatitis?

The liver

300

How many liters of blood does an average adult have?

About 5 liters

300

What does “muscle contraction” mean?

The tightening or shortening of a muscle

400

What is the largest internal organ in the human body?

The liver

400

How do you recognize and treat a broken bone?

Signs: pain, swelling, deformity; Treatment: immobilize and seek medical help

400

What disease causes the body’s immune system to attack its own joints?

Rheumatoid arthritis

400

How often does the human heart beat in one minute on average?

About 60–100 times

400

What is the difference between “ligament” and “tendon”?

Ligament connects bone to bone; tendon connects muscle to bone

500

Which part of the brain controls balance and coordination?

The cerebellum

500

What are the signs of a concussion, and what should you do?

Signs: headache, dizziness, confusion, nausea; Treatment: rest and see a doctor

500

What is the name of the disease where blood cannot clot properly?

Hemophilia

500

What percentage of the human body is made up of water?

About 60%

500

Define “homeostasis” in relation to the human body.

The body’s ability to maintain a stable internal environment (e.g., temperature, pH

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