Human Body-Grade 7

The adult human body is made up of approximately how many cells?

About how many different elements can be found in the human body?

Which of the following is the largest organ in your body?

Where is the DNA in a human cell found?

The lower chambers of the heart are called...

About how long does food stay in your stomach during digestion?

This organ pumps freshly oxygenated blood around the body. 

About how many skin cells do you shed each minute?

What gives blood its red color?

This organ is the greediest organ in the body. It consumes 25% of your energy and 20% oxygen

This is where poop (feces) is made.

How many different muscles does it take to take just one step?

Blood travels away from the heart through..... and back to the heart through....

The human heart has this many chambers...

Arteries and veins are linked together by 

This tube connects the throat and the stomach.

This organ has glands that produce hydrochloric acid.

Which organ is the largest internal (found inside you) organ?

Which organ is responsible for filtering your blood to remove waste?

This is the location where gases (oxygen and carbon dioxide) are exchanged in the body.