Organ 1
Organ 2
Fun Facts
100
This organ pumps blood throughout the body, supplying oxygen and nutrients while removing waste products. 

What is the heart?

100

This organ filters blood to remove waste products and excess substances, producing urine.

What are the kidneys?

100

This organ is about 75% water and contains approximately 100 billion nerve cells.

What is the brain?

200

This organ facilitates gas exchange by taking in oxygen and expelling carbon dioxide.

What are the lungs?

200

This organ processes nutrients, detoxifies harmful substances, produces bile, and stores vitamins and minerals.

What is the liver?

200
True or false? Babies have more bones than adults.
True.
300

This organ controls thought, memory, emotion, touch, motor skills, vision, breathing, temperature, and many other vital processes.

What is the brain?

300

This organ is the largest in the body and protects internal organs.

What is the skin?

300

Your skin renews itself about this often.

What is every 27 days/1 month?

400

This organ breaks down food using digestive acids and enzymes, turning it into a semi-liquid mixture called chyme.

What is the stomach?

400

This organ stores urine before it is removed from the body.

What is the bladder?

400

Your tongue has about this many taste buds.

What is 10,000?

500

a. This organ absorbs nutrients and minerals from food.

b. Absorbs water and electrolytes, forming solid waste for removal.

What are the intestines?
500

This organ produces digestive enzymes and insulin. (Related to diabetes)

What is the pancreas?

500

Nerve impulses travel to and from your brain at speeds of up to this many miles per hour.

What is 250 miles per hour?

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