Body Parts & Organs
Diseases & Conditions
Symptoms & Ailments
Biology & Genetics
Whole-Body Functions
100

This organ pumps blood throughout your body.

What is the heart?

100

This viral illness caused a global pandemic in 2020.

What is COVID-19?

100

A burning feeling in your chest after eating spicy food.

What is heartburn?

100

This is the basic unit of all living things.

What is a cell?

100

This is the process of breaking down food in the stomach.

What is digestion?

200

This system includes bones and gives the body structure.

What is the skeleton?

200

A condition that causes high sugar levels in the blood.

What is diabetes?

200

You sneeze a lot and have a runny nose—might be this.

What is an allergy?

200

These carry genetic information passed from parents.

What are genes?

200

These are soft tissues that allow movement in the body.

What are muscles?

300

This organ stores urine before it is released.

What is the bladder?

300

This happens when the blood flow to your brain is blocked.

What is a stroke?

300

When you feel like the room is spinning.

What is dizziness?

300

This is the chemical instruction manual found in every cell.

What is DNA?

300

This word refers to all parts of a living human being.

What is the human organism?

400

These organs are responsible for breathing.

What are the lungs?

400

This illness is marked by a red, bumpy rash and is highly contagious.

What is measles?

400

This happens when you feel sick and might throw up.

What is nausea?

400

This is the process your body uses to convert food into energy.

What is metabolism?

400

These vessels carry blood away from the heart.

What are arteries?

500

This tube carries food from your mouth to your stomach.

What is the esophagus?

500

This condition involves persistent sadness and low energy.

What is depression?

500

A sudden muscle pain, often caused by overuse.

What is a cramp?

500

This is the overall process of passing traits to offspring.

What is heredity?

500

This part of the nervous system is protected by the skull.

What is the brain?