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Questions and Answers
Which of the following properly defines the function of the skeletal system?
Which of the following properly defines the function of the skeletal system?
- It protects organs and produces hormones necessary for growth.
- It absorbs nutrients and eliminates waste products from the body.
- It regulates body temperature and helps in sensory processing.
- It supports the body and allows for movement through muscle attachment. (correct)
What are the two main divisions of the skeletal system?
What are the two main divisions of the skeletal system?
- Long and short bones.
- Axial and appendicular skeletons. (correct)
- Cranial and facial skeletons.
- Compact and spongy bone structures.
Which bone is specifically referred to as the 'thigh bone'?
Which bone is specifically referred to as the 'thigh bone'?
- Patella.
- Femur. (correct)
- Humerus.
- Tibia.
Which of the following skeletal disorders is characterized by a decrease in bone density?
Which of the following skeletal disorders is characterized by a decrease in bone density?
Which bone is known to be part of the upper jaw in the human skeletal system?
Which bone is known to be part of the upper jaw in the human skeletal system?
Flashcards
What is the function of the skeletal system?
What is the function of the skeletal system?
The skeletal system provides structural support for the body and enables movement via muscle attachments.
What are the two main divisions of the skeletal system?
What are the two main divisions of the skeletal system?
The axial skeleton consists of the bones along the body's central axis, including the skull, vertebral column, and rib cage. The appendicular skeleton includes the bones of the limbs and their attachments.
What bone is the 'thigh bone'?
What bone is the 'thigh bone'?
The femur, the longest and strongest bone in the human body, is located in the thigh.
What is osteoporosis?
What is osteoporosis?
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Which bone is part of the upper jaw?
Which bone is part of the upper jaw?
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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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