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Questions and Answers
Which of the following properly defines the function of the skeletal system?
What are the two main divisions of the skeletal system?
Which bone is specifically referred to as the 'thigh bone'?
Which of the following skeletal disorders is characterized by a decrease in bone density?
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Which bone is known to be part of the upper jaw in the human skeletal system?
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Study Notes
Skeletal System
- The skeletal system is the framework of the body.
- It is made up of bones arranged in patterns that enable you to stand upright.
- The skeletal system has two main functions: physiological and mechanical.
Divisions of the Skeletal System
- Axial Skeleton: Skull, vertebrae, ribs, sternum, and coccyx.
- Appendicular Skeleton: Pectoral girdle, upper limbs, pelvic girdle, and lower limbs.
Important Bones
-
Skull:
- Cranium (houses the brain).
-
Face:
- Maxilla (upper jaw bone).
- Mandible (lower jaw bone).
-
Shoulders:
- Clavicle (collarbone).
-
Chest:
- Sternum (breastbone).
-
Upper Arm:
- Humerus (upper arm bone).
-
Hip:
- Pelvis (hip bone).
-
Back:
- Vertebrae (back bone).
-
Ribs:
- Ribs (protect organs).
-
Tailbone:
- Coccyx (tailbone).
-
Lower Arm:
- Radius and Ulna (lower arm bones).
-
Wrist:
- Carpals (wrist bones).
-
Hand:
- Metacarpals (hand bones).
- Phalanges (finger bones).
-
Thigh:
- Femur (thigh bone).
-
Knee:
- Patella (kneecap).
-
Lower Leg:
- Tibia (shank bone).
- Fibula (calf bone).
-
Ankle:
- Tarsals (ankle bones).
-
Foot:
- Metatarsals (foot bones).
- Phalanges (toe bones).
Disorders of the Skeletal System
- Sprain: Ligament injury.
- Rickets: Softening of bones due to vitamin D deficiency.
- Arthritis: Joint inflammation.
- Dislocation: A bone comes out of its joint.
- Osteoporosis: Weakening of bones.
- Fracture: A break in a bone.
- Scoliosis: Curvature of the spine.
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Description
Test your knowledge about the skeletal system, its divisions, and important bones. This quiz covers the axial and appendicular skeleton, along with key functions and components of human bones. Dive into the framework of the human body and see how much you know!
