Body systems
Organ
1
Cells
Organ
2
Fun facts
100

Which body system is responsible for structurally supporting your body?

Skeletal System 

100

Which organ controls everything you do, think, and feel?

Brain 

100

Which molecule contains instructions for the development, function, growth, and reproduction of all known organisms?

D.N.A.

100

What is the scientific name for the "windpipe"?

Trachea

100

What is the largest organ of the human body?

Skin

200

Which body system pumps blood throughout the body?

Circulatory System or Cardiovascular System

200

How many chambers does the human heart have?

Four

200

Which chromosomes are in a human male?

XY

200

What is the body's largest internal organ?

Liver

200

How many bones are roughly in the adult human body?

206

300

Which body system filters waste and extra water from your blood?

Urinary System

300

The lungs exchange which two molecules?

Carbon Dioxide and Oxygen

300

What type of blood cells fight infections?

White Blood Cells

300

Which organ is composed primarily of muscle?

Heart (Cardiac Muscle)

300

What is the longest bone in the human body?

Femur 

400

Which body system enables bodily movement and stability?

Muscular System

400

Which organ can fully repair itself?

Liver

400

What are the nervous system cells called?

Neurons

400

The Central Nervous System consists of the brain and what other organ or body part. 

Spinal Cord

400

What is the average length of the whole intestinal tract?

25-30 ft.

500

Which body system contains the organ that you can see from the outside of your body?

Integumentary System

500

Which muscle is primarily responsible for breathing?

Diaphragm 

500

What does D.N.A. stand for?

DeoxyriboNucleic Acid

500

This organ is part of the digestive system and is embedded underneath the right side of the liver. It functions to store excess bile.

Gallbladder 

500

A type of a bean was named after this organ. 

Kidney 

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