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By: Efraim Harari

The skeletal system in an adult human body is made up of 206 bones. Although at birth a baby has over 300 bones, as the baby matures, some of the bones grow together and fuse into larger bones, leaving adults with only 206 bones.

The 206 bones are divided into two main categories: the axial skeletonand the appendicular skeleton.

The axial skeleton consists of eighty bones that run down the center of the body and protect the heart and lungs. The skull, ribs, and backbone are included among these bones.

The appendicular skeleton consists of the bones of the appendages (arms and legs) and the girdles (shoulder and pelvic). These body parts connect with the axial skeleton and move
the body.

The amount of bones in the hands (54) and the feet (52) are more than half the number of bones in the human skeletal system.

List of the 206 Bones
in the Human Body

Cranial and Facial (skull)  22

Ears  6

Throat  1

Shoulders  4

Thorax (ribs and sternum)  25

Vertebral column (spine)  26

Arms and forearms  6

Hands  54

Pelvis  2

Thighs  2

Legs  6

Feet  52


A Special Bone

According to Chazal, there is a bone in the human body which never decays and from which the person’s body will eventually be reconstructed at the time of techiyat hametim. This bone is called the Luzbone, and it takes all its nourishment from the melaveh malkahmeal eaten on Motza’ei Shabbat. Thus, when Adam Harishon sinned and ate from the Etz Hadaat, the Luzbone derived no benefit from that food, since it wasn’t eaten on Motza’ei Shabbat.

Because the Luzbone remained unblemished by Adam Harishon’s sin, it is not subject to the same mortality as the rest of the human body.
(See Mishnah Berurah300:2 and Siddur Rav Yaakov Emden).


The smallest bone in the body, called the stapes or stirrup bone, is inside the ear. It’s smaller than
a grain of rice!

No Bones About It!

Have you ever banged the inside of your elbow in a specific spot and felt tingling sensations shoot down your forearm? Well, that means that you hit your so-called funny bone. These sensations feel kind of strange as opposed to being painful. That is one of the reasons why it is called the “funny bone,” because of the funny feeling you experience after you bang it.

But the funniest thing about the funny bone is that it is not actually a bone! It is a nerve! Running down the inside part of your elbow is a nerve called the ulnar nerve. When you hit your funny bone, you're actually hitting the ulnar nerve against a bone and compressing it. The result is the tingling and numbing sensation that shoots through the areas where the nerve does its work: down the forearm and hand and into the ring and pinky fingers.

Another reason why the ulnar nerve is called the funny bone is because the nerve runs along the humerus bone(the bone in the top part of your arm). So, it is actually a pun: the name of the bone “humerus” sounds like the word “humorous” – which means funny.