Humans have a brachial index of 76,while chimpanzees have a brachial index of 93.This shows that in humans,relative to the apes,the:
A)radius is shorter than the humerus
B)humerus is shorter than the radius
C)tibia is shorter than the femur
D)femur is shorter than the tibia

Question

Quizplus · Accepted Answer

The brachial index is a ratio of the length of the humerus to the length of the radius, so a lower brachial index in humans compared to chimpanzees indicates that the radius is shorter relative to the humerus in humans.

Humans Have a Brachial Index of 76,while Chimpanzees Have a Brachial