1. Do Now
What is something surprising you observed yesterday during the dissection of the bone.
Is dissecting an organ more related to anatomy or to physiology?

2. Pectoral girdle Thoracic cage
Skeletal System D5
Pectoral girdle
Thoracic cage

3. Pectoral Girdle
4 Parts
Two Clavicles
Two Scapulae (singular: Scapula)

4. Clavicle Slender, s-shaped bone
Attachment point for several muscles of the arms, chest, and back
Anchor for the shoulder blade, or scapula

5. Scapulae Commonly called the shoulder blade
Articulates with the Clavicle and the Humerus
Broad, flat, almost triangle-shaped

6. Thoracic Cage
Ribs
Thoracic vertebrae
Sternum
Costal cartilages

7. Thoracic Cage
Functions
Support
Protection
Breathing

8. Sternum
Attaches to the Costal Cartilages
Protects the Heart

9. The 12 Ribs Attached to the 12 thoracic vertebrae 1-7: True Ribs
Vertebrosternal Ribs
Costal cartilage connects directly to the sternum
8-10: False Ribs
Vertebrochondral Ribs
Costal cartilages connects to the super cartilage
11-12: False Ribs (aka: floating ribs)
Vertebral Ribs
Not attached to the sternum

10. Vincent Van Bones
Let’s review the bones we know on our skinny friend!

11. Wrap Up
Binder Check Friday
Quiz Friday
Unit Project

12. Identify the name for the Following
The ribs that have a costal cartilage that connects directly to the sternum
The ribs that do not have costal cartilage at all
The bone that connects the shoulder blade to the torso