Introducing
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Presented by Maddy Horne, Kaitlyn Britton, and Shayla Britt
The Skeletal System provides support, movement, protection, blood cell production, calcium storage and endocrine regulation.
Provides a framework for muscles to attach. When the muscles contract they pull on the bones of the skeleton, which then acts as a lever and creates movement.
Provides a framework to support the organs and the tissues of the body.
It protects our internal organs. The skull protects the brain; the thorax (sternum,ribs,and spine) protects the heart, lungs and other viscera (organs within the thorax).
The skeleton is the site of haematopoiesis, the development of blood cells that takes place in the bone marrow. In children, haematopoiesis occurs primarily in the marrow of the long bones such as the femur and tibia. In adults, it occurs mainly in the pelvis, cranium, vertebrae, and sternum.
The bones store calcium and phosphorus which are minerals that are released into the blood when needed.
Rats have a:
Humerus Femur Vertebrae
Radius Tibia Cranium
Ulna Fibula Pelvis
Sternum Phalanges Ribs
Rat Pictures
Cranium
Vertebra
Humerus
Patella
Ribs
Pelvis
Sternum
Phalanges
Radius
Ulna
Tarsal/Carpals
Femur
Tibia
Fibula
Clavicle
Scapula
Differences:
Similarities:
Rats have less vertebrae than humans.
They also have a fewer number of phalanges including the lack of opposable thumbs.
Rats have tail bones while humans end at the coccyx.
Both rats and humans have a separated tibia and fibula.
They also have a separated radius and ulna.
Rats have shoulder joints and leg joints that are similar to humans.