Out on a limb
Ask for directions
Just a nibble
Boneheads
Movin' right along
100

It might just be the funniest bone in the body.

What is the humerus?

100

You might call this direction "up" in everyday speech, but most mammals wouldn't (if they could speak).

What is cranial?

100

The hardest part of a human body.

What is tooth enamel?

100

I contain a brain, in case you need it.

What is the braincase (aka neurocranium)? 

100

This is another word for a joint in the body.

What is articulation?

200

You might call them arms, but bats call them wings and whales call them fins.

What are forelimbs?

200

The knee lies in this location relative to the hip.

What is distal?

200

They all fell out, like the leaves of a tree in autumn.

What are deciduous teeth?

200

This is every part of the skeleton outside the skull.

What is the postcranium?

200

Much of the skull is stitched together with these.

What are sutures?

300

The head of the femur fits smoothly into this bone.

What is the os coxae (aka innominate)?

300

In a typical primate embrace, this surface of two bodies make contact.

What is ventral?

300

Tough times leave these lines in teeth. 

What are enamel hypoplasias?

300

In life, these contain the eyes. 

What are the orbits?

300

These seed-like bones are found in many joints.

What are sesamoids?

400

These terms help distinguish between finger and toe bones. 

What are pedal and manual?

400

Your nose lies in this position relative to your cheeks.

What is medial?

400

The right upper molar is rooted in this.

What is the right maxilla?

400

The bony foundation for the top of your nose.

What are the nasal bones?

400

Cortical and spongy bone respond directly to adapt to this effect of changes in activity level.

What is loading?

500

In most mammals these bones are homologous to the human coccyx.

What are caudal vertebrae? 

500

The sagittal plane divides the body into these two halves.

What are left and right?

500

The likely dental formula of early mammals.

What is 3.1.4.3 / 3.1.4.3?

500

The wings of this bone reach into each of your temples.

What is the sphenoid?

500

These bony projections may develop with advanced age or heavy use of a joint.

What are osteophytes?

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