Which bone is part of the axial skeleton?

Which bone is part of the axial skeleton?

The axial skeleton forms the central axis of the body and includes the bones of the skull, ossicles of the middle ear, hyoid bone of the throat, vertebral column, and the thoracic cage (ribcage) (Figure 1).

Is the scapula is part of the appendicular skeleton?

The appendicular skeleton includes all of the limb bones, plus the bones that unite each limb with the axial skeleton (Figure 6.40). This consists of two bones, the scapula and clavicle (Figure 6.41). The clavicle (collarbone) is an S-shaped bone located on the anterior side of the shoulder.

Which bone is not part of axial skeleton?

The E) pelvic girdle is not part of the axial skeleton. This is part of the lower limbs, according to common practice.

Is scapula axial or appendicular?

The appendicular skeleton is everything else. It’s everything that attaches on to the axial skeleton. Think “appendages”. The pelvis, femur, fibula, tibia and all of the foot bones as well as the scapula, clavicle, humerus, radius, ulna and all of the hand bones are classified as appendicular.

What are the 7 axial bones?

The axial skeleton is the part of the skeleton that consists of the bones of the head and trunk of a vertebrate. It consists of 80 bones and is composed of six parts: the skull bones, the ossicles of the middle ear, the hyoid bone, the rib cage, sternum and the vertebral column.

What is axial skeleton and appendicular skeleton?

The axial skeleton forms the vertical axis of the body and includes the bones of the head, neck, back, and chest of the body. It consists of 80 bones that include the skull, vertebral column, and thoracic cage. The appendicular skeleton consists of 126 bones and includes all bones of the upper and lower limbs.

Why is a bone like the scapula considered part of the appendicular skeleton and not the axial skeleton?

(Q004) Why is a bone like the scapula (shoulder blade) considered part of the appendicular skeleton and not the axial skeleton? The scapula is part of the appendicular skeleton is because it has the appendix bones while the axial bone is connected to the humerus and the clavicle is the shoulder cap bone.

What are the 3 parts of axial skeleton?

The axial skeleton is the part of the skeleton that consists of the bones of the head and trunk of a vertebrate animal, including humans. The primary divisions of the skeleton system are the head, thorax, and vertebral column. The human cranium supports the structures of the face and forms the brain cavity.

What division of the skeleton is the scapula a part of?

appendicular skeleton
The appendicular skeleton forms during development from cartilage, by the process of endochondral ossification. The appendicular skeleton is divided into six major regions: Shoulder girdle (4 bones) – Left and right clavicle (2) and scapula (2).

Why is the scapula part of the appendicular skeleton?

The pectoral or shoulder girdle consists of the scapulae and clavicles. The shoulder girdle connects the bones of the upper limbs to the axial skeleton. These bones also provide attachment for muscles that move the shoulders and upper limbs.

What is axial skeleton?

The axial skeleton consists of the braincase (cranium) and the backbone and ribs, and it serves primarily to protect the central nervous system. The limbs and their girdles constitute the appendicular skeleton.

Is sternum axial or appendicular?

The 80 bones of the axial skeleton form the vertical axis of the body. They include the bones of the head, vertebral column, ribs and breastbone or sternum. The appendicular skeleton consists of 126 bones and includes the free appendages and their attachments to the axial skeleton.