Muscles and Bones
Organs
The Senses
Fun Facts
100

What is the largest bone in the human body?

Femur/thigh bone

100

Which organ pumps blood through your body?

Heart

100

Which sense uses your eyes?

Sight

100

What color is human blood inside your body?

Red

200

What muscle is used when you bend your arm at the elbow?

Bicep

200

Which organ helps you breathe?

Lungs

200

Which lets you know when something is sour?

Taste

200

True/False: Your stomach is on the left side of your body.

True

300

True/False: Adults have more bones than babies

False, babies have more.

300

What organ controls the body like a computer?

Brain

300

Which body part has the most touch receptors?

Fingertips

300

About how many teeth do adults usually have?

32

400

What is the scientific name for the collarbone?

Clavicle

400

Which organ is the largest?

Skin or epiderm
400

What part of your ear helps you keep balance?

Inner ear

400

What is the healthy range for human body temperature (in °F)?

97–99°F

500

How many pairs of ribs does the average human have?

12

500

Which organ helps clean your blood by removing waste?

Liver

500

Which two senses work together to help you taste food better?

Smell and Taste

500

About how much of your body is made of water?

60-70%

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