Research Questions for the Human Body

What are cells and how many are in your body?

What is DNA?

How many bones are in the human body?

How many ribs do you have?

Why do people have different color skin?

What are freckles?

Where are your humerus, radius, and ulna?

Where are your tibia, fibula and femur?

How fast do fingernails grow?

How fast does hair grow?

What is a bruise and what causes them?

Why does hair turn gray and white?

How much blood is in the human body?

How fast does the human heart beat?

Where is your cranium?

What are the five senses?

How can we taste?

Why do we blink?

How do we keep balance?

How does the human body use the air breathed in?

Why do we yawn?

Why do we get hiccups?

How does the voice work?

How can sugar damage teeth?

What is saliva?

How long does it take to digest food?

How long are the intestines?

Why do we need vitamins and minerals?

Why do we need sleep?

What are bacteria?

What is a virus?

What is a contagious disease?

What are antibiotics?