Human Ribs & Sternum Anatomy: 3d Illustration of human ribs

Welcome to ‪@powerofknowledgeacademy‬ In this video you will learn about human ribs and sternum anatomy and function with the help of 3d animation and image illustrations.
Timestamps
00:00 Introduction to Ribs
00:27 Sternum anatomy & physiology
01:27 Ribs Anatomy

Content of the video
Ribs are part of our axial skeleton. The axial skeleton is the central framework of our body and includes the skull, vertebral column, and ribs.

Our body has a total of 24 ribs. These ribs are attached to the vertebral column at the back and to the sternum at the front and side.

The sternum is also known as the chest bone. Besides attaching to the ribs, the sternum also protects the organs in the chest. The sternum is a single bone divided into three parts. The top cube-shaped portion is called the manubrium. The large middle part is called the body, and the small lower part is called the xiphoid process. Together, these three parts form the sternum.

Cartilage is present where the sternum and ribs connect. This cartilage gives the ribs slight flexibility, allowing them to move outward when we breathe, creating space for the lungs to expand.


Ribs are present in pairs in our body, meaning we have 12 pairs of ribs in the chest area. Ribs are numbered from top to bottom. The top 7 ribs are called "true ribs" or "vertebrosternal ribs." They are called vertebrosternal ribs because they attach to the vertebral column at the back and to the sternum at the front, as you can see in this video/image.

Ribs numbered 8 to 12 are called "false ribs." Ribs 8 to 10 are specifically known as "vertebrochondral ribs." They are named this way because these three ribs do not attach directly to the sternum at the front. Instead, they attach to the cartilage of rib number 7, as you can see in this video/image. That’s why they are called vertebrochondral ribs—"chondral" means cartilage.

The last two ribs are called "floating ribs." They are named this because they do not attach to the sternum at the front in any way, as you can see here.

The function of the ribs is to protect the vital organs in the chest and make breathing easier.

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