Bones
Organs
Muscles
Body Facts
The Nervous System
100

This is the largest bone in the human body.

What is the femur?

100

This organ stores urine before it leaves the body.

What is the bladder?

100

This muscle group on the front of your thigh is responsible for extending your knee.

What are the quadriceps?

100

This blood type is known as the universal donor.

What is O negative?

100

The Parasympathetic Nervous System is commonly known as this.

What is the Rest & Digest system?

200

The patella is better known by this common name.

What is the kneecap?

200

This organ sits just behind your stomach and helps recycle old red blood cells.

What is the spleen?

200

This is the largest muscle in the human body.

What is the gluteus maximus?

200

Adults normally have this many teeth.

What is 32?

200

The Sympathetic Nervous System is better known as this.

What is Fight or Flight?

300

This bone, also known as the collarbone, is one of the most commonly broken bones.

What is the clavicle?

300

This organ produces insulin.

What is the pancreas?

300

This muscle is commonly known as your calf muscle.

What is the gastrocnemius?

300

This is the body's largest artery.

What is the aorta?

300

This common nerve is that longest in the body.

What is the Sciatic Nerve?

400

Adults have this many pairs of ribs.

What is 12?

400

Most digestion and nutrient absorption takes place in this organ.

What is the small intestine?

400

This muscle separates the chest from the abdomen and is essential for breathing.

What is the diaphragm?

400

The skin is classified as this type of body structure.

What is an organ?

400

This condition is commonly caused by compression of the Median Nerve.

What is Carpal Tunnel Syndrome?
500

This is the number of total bones in the hands and feet combined.

What is 102?

500

These are the valves of the heart.

What is Tricuspid & Bicuspid 

500

This neck muscle helps rotate your head from side to side.

What is the sternocleidomastoid?

500

This is the strongest muscle in the body based on the force it can exert relative to its size.

What is the masseter (jaw muscle)?

500

Injury above which spinal level would cause complete limb, trunk, and neck paralysis. 

What is C7?