Human Body Jeopardy

This is the name for the hard framework of 206 bones that supports and protects the adult human body.

What is the skeleton?

This is the longest and strongest bone in the human body, found in the thigh.

What is the femur?

These tissues contract and relax to move the bones of the body.

What are muscles?

This flexible tissue cushions the joints where two bones meet, such as the knee.

What is cartilage?

This is the hardest, most mineral-rich substance in the human body, found covering the crown of each tooth.

What is enamel?

This fist-sized organ pumps blood throughout the body.

What is the heart?

This is the pale yellow, liquid part of blood that carries blood cells, nutrients, and waste around the body.

What is plasma?

These blood cells carry oxygen from the lungs to the rest of the body.

What are red blood cells?

These blood cells help the body fight off germs and infection.

What are white blood cells?

This is the network of tubes, including arteries and veins, through which blood travels around the body.

What are blood vessels?

These two organs in the chest fill with air every time you breathe in.

What are the lungs?

This tube carries air from the throat down into the lungs.

What is the trachea?

This large, dome-shaped muscle beneath the lungs contracts to help you breathe in.

What is the diaphragm?

This gas, needed by nearly every cell in the body, is absorbed into the blood inside the lungs.

What is oxygen?

These tiny, grape-like air sacs in the lungs are where oxygen passes into the blood.

What are alveoli?

This organ inside the skull controls thoughts, memory, and the rest of the body.

What is the brain?

This sense organ contains the retina and lets you see the world around you.

What is the eye?

This sense organ contains the eardrum and lets you hear sounds.

What is the ear?

Sight, hearing, smell, and taste are four of the five special senses; this one is felt all over through the skin.

What is touch?

This thick bundle of nerves runs down the back inside the spine, carrying messages between the brain and the body.

What is the spinal cord?

This muscular tube carries swallowed food from the throat down to the stomach.

What is the esophagus?

This J-shaped organ uses acid to break down food after you swallow it.

What is the stomach?

This long, coiled organ absorbs most of the nutrients from digested food into the blood.

What is the small intestine?

This organ produces bile, a fluid that helps the body digest fats.

What is the liver?

This wider, shorter organ absorbs water from digested food and stores waste before it leaves the body.

What is the large intestine?

Brushing these twice a day helps prevent cavities and gum disease.

What are teeth?

Getting about nine to eleven hours of this each night helps a growing child's body and brain recharge.

What is sleep?

This clear liquid makes up more than half of the human body and should be drunk throughout the day.

What is water?

Washing your hands with soap and water helps stop the spread of these tiny organisms that can make you sick.

What are germs?

This medical treatment introduces a weakened or harmless part of a germ so the immune system learns to fight it.

What is a vaccine?