The Human Body
Exercise & Fitness
Nutrition & Sleep
Back in the Day
Fun & Games
100

This is the largest organ in the human body.

What is skin?

100

This simple activity is one of the easiest ways to improve cardiovascular health and can be done almost anywhere.

What is walking?

100

This nutrient is especially important for building and maintaining muscle and is found in foods like eggs, fish, chicken, beans, and Greek yogurt.

What is protein?

100

This handheld puzzle featuring six colored sides became an enormous craze during the 1980s.

What is the Rubik's Cube?

100

In a standard deck of playing cards, there are this many suits.

What is four?

200

This is the largest and strongest bone in the human body and is located in the thigh.

What is femur?

200

This fitness term describes your joints’ ability to move through their full range of motion and can be improved through stretching.

What is flexibility?

200

Adults age 65 and older generally need about this many hours of sleep each night.

What is 7 hours?

200

This singer known as the “Queen of Soul” famously sang “Respect.”

Who is Aretha Franklin?

200

This common phrase means something is very easy and refers to a baked dessert.

What is "a piece of cake"?

300

The human heart contains this many chambers.

What is 4?

300

Adults should aim for at least this many minutes of moderate physical activity each week.

What is 150 minutes?

300

This mineral helps regulate fluid balance and blood pressure, but consuming too much is a concern for many Americans.

What is sodium?

300

This 1990 romantic comedy starred Julia Roberts as Vivian and Richard Gere as Edward.

What is Pretty Woman?

300

This board game features Colonel Mustard, Professor Plum, and Miss Scarlet.

What is Clue?

400

This organ uses approximately 20% of the body's oxygen and energy despite making up only about 2% of body weight.

What is the brain?

400

After age 30, physically inactive adults can lose approximately this percentage of their muscle mass per decade.

What is 3-5%?

400

During this stage of sleep, dreaming is most common and the brain is highly active.

What is REM sleep?

400

This dance craze inspired by Chubby Checker had people swiveling their hips across America in the early 1960s.

What is the Twist?

400

In bowling, three strikes in a row are traditionally called this.

What is a turkey?

500

Your body contains more than this approximate number of skeletal muscles.

What is 600?

500

Sometimes called the body’s “natural painkillers,” these chemicals are released during exercise and can help reduce pain and boost feelings of well-being.

What are endorphins?

500

This diet emphasizes vegetables, fruits, whole grains, beans, nuts, olive oil, and fish and is associated with cardiovascular health benefits.

What is the Mediterranean diet?

500

The first Earth Day was celebrated, Saturday Night Live premiered, and the first Star Wars movie was released during this decade.

What are the 1970s?

500

This animal's group is called a “parliament.”

What are owls?