# What are the twenty major bones in the body?

Aug 25, 2016

Here's my list, arranged in order of size.

#### Explanation:

Leg

$1 \textcolor{w h i t e}{l} \text{femur (52.0 cm)}$
$2 \textcolor{w h i t e}{l} \text{tibia (43.0 cm)}$
$3 \textcolor{w h i t e}{l} \text{fibula (40.5 cm)}$

(From www.turbosquid.com)

Arm

$4 \textcolor{w h i t e}{m} \text{humerus (36.5 cm)}$
$11 \textcolor{w h i t e}{l} \text{ulna (28.0 cm)}$
$15 \textcolor{w h i t e}{l} \text{radius (26.5 cm)}$

Thoracic cage

$5 \textcolor{w h i t e}{l l} \text{7th rib (33.5 cm)}$
$6 \textcolor{w h i t e}{l l} \text{8th rib (33.0 cm)}$
$7 \textcolor{w h i t e}{l l} \text{6th rib (33.0 cm)}$
$8 \textcolor{w h i t e}{l l} \text{5th rib (32.0 cm)}$
$9 \textcolor{w h i t e}{l l} \text{4th rib (30.0 cm)}$
$10 \textcolor{w h i t e}{l} \text{9th rib (30.0 cm)}$
$12 \textcolor{w h i t e}{l} \text{3rd rib (27.0 cm)}$
$13 \textcolor{w h i t e}{l} \text{10th rib (27.0 cm)}$
$14 \textcolor{w h i t e}{l} \text{2nd rib (27.0 cm)}$
$16 \textcolor{w h i t e}{l} \text{sternum (17.0 cm)}$

Skull

$17 \textcolor{w h i t e}{l} \text{frontal bone (16.0 cm)}$
$20 \textcolor{w h i t e}{l} \text{parietal bone (13.8 cm)}$

Pectoral Girdle

$18 \textcolor{w h i t e}{l} \text{clavicle (14.0 cm)}$

Pelvic Girdle

$19 \textcolor{w h i t e}{l} \text{hip bone (14.0 cm)}$

(From en.wikipedia.org)