Estimate Lengths

Estimate Lengths

Estimate Lengths

Diagram of the human arm's skeletal structure, highlighting labeled bones: clavicle, scapula, humerus, radius, and ulna, on a white background.

An anthropologist finds a fossilized humerus bone of an ancient human ancestor. The humerus is an arm bone running from the shoulder to the elbow. It is 24 centimeters in length. Use data from your classmates to estimate the height of this ancient human.