Skeletal System
Muscular System
Nervous System
Respiratory System
Cardiovascular System
Digestive System
100

The smallest bones in the human body are located in this part of the body

What is the ear?

100

This connects muscles to bones

What is a tendon?

100

These two body parts make up the nervous system.

What is the brain and spinal cord?

100

Breathing is an exchange process of carbon dioxide and this gas.

What is oxygen?

100

The size of the heart is roughly that of our fist and weighs approximately this amount. 

What is 11 ounces? (About the weight of a bag of chocolate chips)

100

In the digestive system, most of digestion occurs here.

What is the small intestine?

200

This amount is the weight of an average adult skeleton.

What is 15-20 pounds?

200

Through excercise muscles can be increased in size by this percentage.

What is 15-20%?

200

While the brain makes up 2% of our total body weight, it requires this percentage of our blood supply.

What is 20%?

200

Every minute about this many pints of air pass into the lungs. 

What is 10-12 pints?

200

The network of arteries, veins, and capillaries is extraordinarily dense. In an adult it is more than this many miles long. 

What is 60,000 miles long?

200

The stomach is a hollow organ capable of holding this many pints of food and liquids.

What is 4-6 pints?

300

The main blood cell production occurs in these large flat bones located in these places of the human body.

What are the brest bones, ribs, shoulder blades or pelvis?

300

This type of muscle is present to control to control hollow organs such as a bladder or uterus.

What are smooth muscles?
300

This is the largest part of the brain.

What is the cerebrum?
300
Changes to this part of the respiratory system causes the deepening of the voice in puberty, particularly in males. 

What is the larynx growing larger and thiicker?

300

Cardiovascular disease is hte number one cause of death globallyt. According to the World Health Organization more than this many people die of heart disease every year.

What is 17 million?

300

Two hormones, insulin and glucagon, are secreted by this organ. 

What is the pancreas?

400

This is a tissue of the body that is not supplied with blood.

What is cartilage?

400

This gender has more muscle mass.

What is male?

400

Nerve cells can travel at speeds up to this many miles per hour.

What is 250 mph?

400

Risk of contracting lung cancer as a smoker increases by this amount, compared to a non smoker.

What is 20 times more likely in smokers versus non smokers?

400

Your heart beats around 70 times per minute. This is the amount of blood it pumps every time it beats.

What is 1 cup?

400

The bodys total blood volume flows through the kidney around this many times per hour. 

What is 15 times?

500

This joint typically bares the most weight in the human body.

What is the knee?

500

When a muscle shortens, is is described as this.

What is contraction?

500

Nerve fibers originate directly from this part of the body.

What is the brain or spinal column?

500

The surface area of the lungs is the same size as this sport court.

What is a tennis court?

500

In an adult normal blood pressure at rest is considered to be this.

What is under 120/80mmHg? mmHg means milimeters of mercury, used in the first accurate barometers.

500

Excess alcohol intake causes fat to accumulate in this organs cells, causing lasting even fatal damage. 

What is the liver?

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