Biology Practicals Class 12
Skeletal System: A Systematic Study of Bones
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- In this biology experiment, you will learn about the structure and functions of the skeleton, the skeletal system.
- You will also learn about the joints and disorders of the skeletal system.
- In the simulation, you will learn why lower unicellular organisms like amoeba can change their shape and higher animals like humans cannot.
- This interaction creates a very realistic environment and gives you a real-life experience.
- Every step of this biology practical, including setting up the experimental setup, dissecting the specimen, demonstrating the models, making permanent slides, and many more, is very interactive and has been simulated in a way that is very similar to what you would do in a real lab.
The human skeleton system comprises the body’s bones, cartilage, tendons, and ligaments. The skeleton accounts for around 20% of a person’s overall weight. The human skeleton provides internal support to the human body. At birth, it has about 270 bones; in adulthood, when certain bones are fused, it remains with 206 bones.
Children’s skeletons have more bones than adults’ because some of them, notably those in the skull, fuse as they grow. The male and female skeletons differ slightly as well. Male skeletons are typically longer and have a higher bone mass. In contrast, the female skeleton has a larger pelvis for pregnancy and childbirth.
Regardless of age or gender, the skeletal system is divided into two parts: the axial skeleton and the appendicular skeleton. The spinal column, rib cage, skull, and other supporting bones make up the axial skeleton. The shoulder girdle, pelvic girdle, and bones of the upper and lower limbs make up the appendicular skeleton, which is connected to the axial skeleton.
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Requirements for this Science Experiment
⦁ Skull ⦁ Vertebral Column ⦁ Vertebral Column ⦁ Sternum ⦁ Ribs ⦁ Forelimbs ⦁ Hindlimbs ⦁ Pectoral Girdle ⦁ Pelvic Girdle ⦁ Joints