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Oct 4, 2024 · The axial skeleton serves primarily to support and protect the heart, lungs, and central nervous system, which is made up of the brain and spinal cord. The axial skeleton differs from the appendicular skeleton, which is made up of the bones of the upper and lower limbs. human vertebral column. In humans, the axial skeleton is made up of 80 ...
- Kara Rogers
Jul 27, 2024 · Axial skeleton. The axial skeleton is a major division of the human skeletal system, consisting of 80 bones. It includes the bones of the head, neck, and trunk. Specifically, the axial skeleton comprises the skull, vertebral column, ribs, and sternum. This central framework supports and protects the brain, spinal cord, and vital organs within ...
- Skull
- Ears
- Neck
- Back
- Ribcage
Your skull has two sets of bones: Eight cranial bones and 14 facial bones. The cranial bones make up the top and back of your skull and support and protect your brain. The eight cranial bones include: 1. Two parietal bones (left and right). 2. Two temporal bones (left and right). 3. One frontal bone. 4. One occipital bone. 5. One ethmoid bone. 6. O...
The auditoryossicles (small bones) of your middle ear are the smallest bones in your body. These tiny bones transfer vibrations from your eardrum to your inner ear. The middle ear bones include: 1. Two malleus bones (one in each ear). 2. Two incus bones (one in each ear). 3. Two stapes bones (one in each ear).
The hyoid bone is a horseshoe-shaped bone that sits at the front of your neck. Muscles and ligamentshold it in place between your jaw bone and thyroid. Your hyoid bone helps you breathe, speak and swallow.
The vertebral column, or spine, includes 24 vertebrae plus your sacrum and your tailbone (coccyx). The vertebral column extends from the base of your skull to your pelvis. It’s grouped into five sections: 1. Seven cervical vertebrae: These bones form your neck and support your head. 2. 12 thoracic vertebrae: These bones form the rear anchor of your...
The thoracic cage, or ribcage, protects your heart, lungsand other organs. It attaches to muscles involved with breathing and arm movement. The bones in your ribcage include: 1. Sternum (breastbone): This is a long, flat bone that runs down the middle of your chest. 2. 24 ribs: Most people have 12 pairs of ribs.
The axial skeleton functions to support and protect the organs of the dorsal and ventral cavities. It also serves as a surface for the attachment of muscles and parts of the appendicular skeleton. The human’s axial skeleton is composed of 80 bones and is the central core of the body. The primary divisions of the skeleton system are: Head ...
The axial skeleton includes the bones that form the skull, laryngeal skeleton, vertebral column, and thoracic cage. The bones of the appendicular skeleton (the limbs and girdles) “append” to the axial skeleton. 1. Skull Bones Protect the Brain and Form an Entrance to the Body. The skull consists of the cranial bones and the facial skeleton.
The human axial skeleton consists of 81 different bones. It is the medial core of the body and connects the pelvis to the body, where the appendix skeleton attaches. As the skeleton grows older the bones get weaker with the exception of the skull. The skull remains strong to protect the brain from injury. In humans, the axial skeleton serves to ...
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Feb 28, 2021 · 10.1: Introduction to the Axial Skeleton. Figure 1. Lateral View of the Human Skull. The skeletal system forms the rigid internal framework of the body. It consists of the bones, cartilages, and ligaments. Bones support the weight of the body, allow for body movements, and protect internal organs.
