Skeletal System
Eye See You!
Respiratory System
Circulatory System
Muscular System
100

This is how many bones are in an adult body.

What is 206?

100

These are the hairs on your eyelids that help protect your eyes

What are eyelashes?

100

The main organ(s) of the respiratory system that you need to breathe

What are the lungs?

100

This is the main organ that pumps blood through your body

What is the heart?

100

This is how many muscles are in the human body.

What is about 600?

200

The largest bone in your body

What is the femur?

200

The direction that an image first comes through your eye before flipping over

What is upside down?

200

What the respiratory system looks like upside down.

What is a tree?

200

This type of blood vessel sends oxygenated blood out to your body parts.

What are arteries?

200

The biceps are on this part of your body. 

What are the arms?

300

This group of bones circle around and protect your lungs and heart

What are ribs?

300

These photoreceptors help you see the shape and movement of what is around you, even in low light.

What are rods?

300

This is another name for the windpipe.

What is trachea?

300

This type of blood vessel returns blood without oxygen from parts of the body back to the heart

What are veins?

300

This is the type of muscle found in the heart.

What is cardiac muscle?

400

This large bone structure protects your brain

What is skull or cranium?

400

This is the part of the eye that gives it color (ex - blue eyes)

What is the iris?

400

The lungs have this many lobes.

What is three?

400

The heart has this many chambers.

That are four?

400

This is the muscle group found on the front of your thigh.

What are the quads or quadriceps?

500

The knee is an example of this movable section between two bones.

What is a joint?

500

This is the nerve that goes from the eye to your brain

What is the optic nerve?
500

The respiratory system exchanges oxygen with this molecule, which is good for plants.

What is carbon dioxide?

500

This side of the heart is slightly bigger than the other side.

What is the left side?

500

This muscle tissue connects the muscle to the bone.

What is a tendon?