Human Body Quiz

True or false? Your ears are important when it comes to staying balanced.

The bones that make up your spine are called what?

The bones around your chest that protect organs, such as the heart, are called what?

The flow of blood through your heart and around your body is called?

The two holes in your nose are called?

What the long pipe that moves food from the back of your throat down to your stomach?

The colored part of the human eye that controls light that passes through the pupil is called?

How many lungs does the human body have?

The outside layer of skin on the human body is called the?

The shape of DNA is known as?