The Human Body trivia

Approximately how many liters of blood does the human body hold?

The two holes in your nose are called _____________.

The longest and strongest bone in your body is the _________________.

What color is blood on the inside of the human body?

The bones that make up the spine of the human body are called _________________.

Muscles normally account for  ______% of a person's body weight.

A heart typically beats approximately ___________ times a day.

The bones around your chest that protect organs like your heart and lungs are called _________.

When you sneeze, air rushes through your nose at the rate of ______ miles per hour.

What muscle performs the most amount of physical work over the course of a person's lifetime?

Kids have 20 first teeth; adults normally have ________.

True or False:  Teeth are made of bone.

Which is not one of the human body's five senses?

What is the human body's biggest organ?

The colored part of the human eye is called the ____________.

What % of the human brain is water?

Babies are born with 300 bones, but by adulthood the human body has _______.

Which is not a system of the human body?

What part of the human body are the most important in keeping one's balance?

How many ribs does the human body have?

True or False:  Your brain is more active and thinks more at night than during the day.

The normal body temperature is measured at  ______ degrees Fahrenheit.

How many taste buds does the human tongue have?

Your forearm (from inside of elbow to inside of wrist) is typically the same length as your 

How many taste zones are on the human tongue?

Where are the smallest bones in the human body located?

What substance are nails made of?

What do we call areas where two bones connect and allow for movement?

What is the name of the largest and longest artery that carries blood away from the heart?

True or False:  Bone is the hardest substance in the human body.

True or False:  Fingernails grow faster than toenails.

How many days does an average eyelash last before it falls out?

The human skeletal system provides all the following functions except for ______________.

True or False:  Your skin is an organ.

What area on a man's body has the fastest-growing hairs?